Microarray Data Analysis Using...
Transcript of Microarray Data Analysis Using...
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Microarray Data Analysis Using BASE
Danny ParkMGH Microarray CoreMarch 15, 2004
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You’ve got data!
What was I asking? – remember your experimental designHow do I analyze the data?– How do I find interesting stuff? – learn
some analysis tools– How do I trust the results? – statistics is
key
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What was I asking?
Typically: “which genes changed expression levels when I did ____”Common ____:– Binary conditions: knock out, treatment, etc– Continuous scales: time courses, levels of
treatment, etc– Unordered discrete scales: multiple types of
treatment or mutationsThis tutorial’s focus: binary experiments
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How do I analyze the data?
BASE – BioArray Software Environment– Data storage and distribution– Simple filtering, normalization, averaging,
and statistics– Export/Download results to other tools
MS ExcelTIGR Multi Experiment Viewer (TMEV)This tutorial’s focus: using BASE
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Today’s Presentation
Demonstrate the most basic analysis techniquesUsing our most frequently used software (BASE)For the most common kind of experiments
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Work Flow
Images & data files
scan, segment
uploadBASE
Labeled cDNA
Slides
QC & label
hybridize
RNA
analysis
Researcher
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The Most Common experiment
Two-sample comparison w/N replicates– KO vs. WT– Treated vs. untreated– Diseased vs. normal– Etc
Question of interest: which genes are (most) differentially expressed?
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Experimental Design – naïve
A B
From Gary Churchill, Jackson Labs
From Gary Churchill, Jackson Labs
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Experimental Design – tech repl
A B
From Gary Churchill, Jackson Labs
From Gary Churchill, Jackson Labs
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Experimental Design – bio repl
Treatment
Biological Replicate
Technical Replicate
Dye
Array
A BA B
From Gary Churchill, Jackson Labs
From Gary Churchill, Jackson Labs
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The Most Common Analysis
Filter out bad spotsAdjust low intensitiesNormalize – correct for non-linearitiesand dye inconsistenciesFilter out dim spotsCalculate average fold ratios and p-values per geneRank, sort, filter, squint, sift dataExport to other software
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BASE @ MGH
BASE is a microarray data storage and analysis packageBASE resides on our web server– Data is stored at our facility– Computation is performed on our machines
All you need is a web browser– https://base.mgh.harvard.edu/– A Microarray Core technician will provide you with
a username, password, and experiment name
https://base.mgh.harvard.edu/
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BASE – Login page
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BASE – Login page
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BASE – Login page
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BASE – Login page
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BASE – Logged in
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BASE – Logged in
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BASE – Sidebar
Reporters
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BASE – Sidebar
Reporters
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BASE – Sidebar
Array LIMS
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BASE – Sidebar
Array LIMS
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BASE – Sidebar
Biomaterials
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BASE – Sidebar
Biomaterials
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BASE – Sidebar
Hybridizations
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BASE – Sidebar
Hybridizations
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BASE – Sidebar
Analyze Data
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BASE – Sidebar
Analyze Data
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BASE – Sidebar
Users
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BASE – Sidebar
Users
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BASE – My Account
Change your password and access defaultsChange your password and access defaults
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BASE – My Account
Change your password and access defaultsChange your password and access defaults
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BASE – My Account
Change your password and access defaultsChange your password and access defaults
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BASE – My Account
Change your password and access defaultsChange your password and access defaults
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Find your experiment
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Find your experiment
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Find your experiment
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Find your experiment
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Experiment view: Four Tabs
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Experiment view: Four Tabs
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Experiment view: Four Tabs
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Experiment view: Four Tabs
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Experiment view: Four Tabs
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Experiment view: Four Tabs
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Experiment view: Four Tabs
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Experiment view: Four Tabs
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Group slide data together
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Group slide data together
Select the slides that measure the same thing. Later in analysis, they will be averaged together. In this experiment, all ten slides are replicates, so there is only one grouping.
Select the slides that measure the same thing. Later in analysis, they will be averaged together. In this experiment, all ten slides are replicates, so there is only one grouping.
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Group slide data together
Select the slides that measure the same thing. Later in analysis, they will be averaged together. In this experiment, all ten slides are replicates, so there is only one grouping.
Select the slides that measure the same thing. Later in analysis, they will be averaged together. In this experiment, all ten slides are replicates, so there is only one grouping.
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Group slide data together
Select the slides that measure the same thing. Later in analysis, they will be averaged together. In this experiment, all ten slides are replicates, so there is only one grouping.
Select the slides that measure the same thing. Later in analysis, they will be averaged together. In this experiment, all ten slides are replicates, so there is only one grouping.
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Group slide data together
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Group slide data together
Give your data set a descriptive name to distinguish it from other slide groupings. In this Myd88 knockout experiment, there is only one grouping, so a generic name is fine.
Give your data set a descriptive name to distinguish it from other slide groupings. In this Myd88 knockout experiment, there is only one grouping, so a generic name is fine.
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Group slide data together
Give your data set a descriptive name to distinguish it from other slide groupings. In this Myd88 knockout experiment, there is only one grouping, so a generic name is fine.
Give your data set a descriptive name to distinguish it from other slide groupings. In this Myd88 knockout experiment, there is only one grouping, so a generic name is fine.
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Group slide data together
Give your data set a descriptive name to distinguish it from other slide groupings. In this Myd88 knockout experiment, there is only one grouping, so a generic name is fine.
Give your data set a descriptive name to distinguish it from other slide groupings. In this Myd88 knockout experiment, there is only one grouping, so a generic name is fine.
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Analysis: Begin
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Analysis: Begin
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Analysis: Begin
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Analysis: Begin
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Analysis: Filter Setup
“Bad” spots are marked with a negative Flag value.
“Bad” spots are marked with a negative Flag value.
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Analysis: Filter Setup
“Bad” spots are marked with a negative Flag value.
“Bad” spots are marked with a negative Flag value.
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Analysis: Filter Setup
“Bad” spots are marked with a negative Flag value.
“Bad” spots are marked with a negative Flag value.
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Analysis: Filter Setup
“Bad” spots are marked with a negative Flag value.
“Bad” spots are marked with a negative Flag value.
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Analysis: Filter Setup
“Bad” spots are marked with a negative Flag value.
“Bad” spots are marked with a negative Flag value.
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Analysis: Filter Setup
“Bad” spots are marked with a negative Flag value.
“Bad” spots are marked with a negative Flag value.
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Analysis: Filter Setup
“Bad” spots are marked with a negative Flag value.
“Bad” spots are marked with a negative Flag value.
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Analysis: Filter Setup
“Bad” spots are marked with a negative Flag value.
“Bad” spots are marked with a negative Flag value.
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Analysis: Filter Setup
“Bad” spots are marked with a negative Flag value.
“Bad” spots are marked with a negative Flag value.
Oligos are annotated with species codes, but control spots are not. Set species to your two-letter code of choice (Mm, Hs, Dr, Pa, etc)
Oligos are annotated with species codes, but control spots are not. Set species to your two-letter code of choice (Mm, Hs, Dr, Pa, etc)
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Analysis: Filter Setup
“Bad” spots are marked with a negative Flag value.
“Bad” spots are marked with a negative Flag value.
Oligos are annotated with species codes, but control spots are not. Set species to your two-letter code of choice (Mm, Hs, Dr, Pa, etc)
Oligos are annotated with species codes, but control spots are not. Set species to your two-letter code of choice (Mm, Hs, Dr, Pa, etc)
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Analysis: Filter Setup
“Bad” spots are marked with a negative Flag value.
“Bad” spots are marked with a negative Flag value.
Oligos are annotated with species codes, but control spots are not. Set species to your two-letter code of choice (Mm, Hs, Dr, Pa, etc)
Oligos are annotated with species codes, but control spots are not. Set species to your two-letter code of choice (Mm, Hs, Dr, Pa, etc)
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Analysis: Filter Setup
“Bad” spots are marked with a negative Flag value.
“Bad” spots are marked with a negative Flag value.
Oligos are annotated with species codes, but control spots are not. Set species to your two-letter code of choice (Mm, Hs, Dr, Pa, etc)
Oligos are annotated with species codes, but control spots are not. Set species to your two-letter code of choice (Mm, Hs, Dr, Pa, etc)
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Analysis: Filter Setup
“Bad” spots are marked with a negative Flag value.
“Bad” spots are marked with a negative Flag value.
Oligos are annotated with species codes, but control spots are not. Set species to your two-letter code of choice (Mm, Hs, Dr, Pa, etc)
Oligos are annotated with species codes, but control spots are not. Set species to your two-letter code of choice (Mm, Hs, Dr, Pa, etc)
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Analysis: Filter Setup
“Bad” spots are marked with a negative Flag value.
“Bad” spots are marked with a negative Flag value.
Oligos are annotated with species codes, but control spots are not. Set species to your two-letter code of choice (Mm, Hs, Dr, Pa, etc)
Oligos are annotated with species codes, but control spots are not. Set species to your two-letter code of choice (Mm, Hs, Dr, Pa, etc)
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Analysis: Filter Setup
“Bad” spots are marked with a negative Flag value.
“Bad” spots are marked with a negative Flag value.
Oligos are annotated with species codes, but control spots are not. Set species to your two-letter code of choice (Mm, Hs, Dr, Pa, etc)
Oligos are annotated with species codes, but control spots are not. Set species to your two-letter code of choice (Mm, Hs, Dr, Pa, etc)
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Analysis: Filter Setup
“Bad” spots are marked with a negative Flag value.
“Bad” spots are marked with a negative Flag value.
Oligos are annotated with species codes, but control spots are not. Set species to your two-letter code of choice (Mm, Hs, Dr, Pa, etc)
Oligos are annotated with species codes, but control spots are not. Set species to your two-letter code of choice (Mm, Hs, Dr, Pa, etc)
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Analysis: Filter Setup
Naming the filter and the child data set are essential to reducing confusion later.
Naming the filter and the child data set are essential to reducing confusion later.
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Analysis: Filter Setup
Naming the filter and the child data set are essential to reducing confusion later.
Naming the filter and the child data set are essential to reducing confusion later.
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Analysis: Filter Setup
Naming the filter and the child data set are essential to reducing confusion later.
Naming the filter and the child data set are essential to reducing confusion later.
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Analysis: Filter Run
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Analysis: Quality Data
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Analysis: Quality Data
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Analysis: Unfiltered Data
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Analysis: Filter Parameters
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Analysis: Limit-Int Setup
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Analysis: Limit-Int Setup
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Analysis: Limit-Int Setup
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Analysis: Limit-Int Setup
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Analysis: Limit-Int Setup
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Analysis: Limit-Int Setup
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Analysis: Check job status
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Analysis: Check job status
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Analysis: Check job status
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Analysis: Check job status
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Analysis: Check job status
“All done” indicates the job is complete.“All done” indicates the job is complete.
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Analysis: Check job status
“All done” indicates the job is complete.“All done” indicates the job is complete.
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Analysis: Limit-Int Output
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Analysis: Limit-Int Output
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Analysis: Limit-Int Output
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Analysis: Limit-Int Output
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Analysis: Limit-Int Output
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Analysis: Limit-Int Output
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Analysis: Change data set name
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Analysis: Change data set name
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Analysis: Change data set name
Change the name of this set to “Intensity limited Data”
Change the name of this set to “Intensity limited Data”
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Analysis: Change data set name
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Analysis: Change data set name
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Analysis: Change data set name
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Analysis: Change data set name
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Analysis: LOWESS Setup
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Analysis: LOWESS Setup
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Analysis: LOWESS Setup
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Analysis: LOWESS Setup
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Analysis: LOWESS Setup
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Analysis: LOWESS Setup
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Analysis: Check job status
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Analysis: Check job status
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Analysis: LOWESS Output
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Analysis: LOWESS Output
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Analysis: LOWESS Output
Change the name of this set to “Normalized Data” using the same steps as before.
Change the name of this set to “Normalized Data” using the same steps as before.
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Analysis: Change data set name
Change the name of this set to “Normalized Data” using the same steps as before.
Change the name of this set to “Normalized Data” using the same steps as before.
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Analysis: Change data set name
Change the name of this set to “Normalized Data” using the same steps as before.
Change the name of this set to “Normalized Data” using the same steps as before.
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Analysis: Filter Setup
Set up the filter as indicated, hit Add/Update on the Gene filter, then hit Accept and select the resulting data set.
Set up the filter as indicated, hit Add/Update on the Gene filter, then hit Accept and select the resulting data set.
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Analysis: Useful Data
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Analysis: Useful Data
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MA Plots: Raw Myd88 Data
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MA Plots: Raw Myd88 Data
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MA Plots: Raw Myd88 Data
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MA Plots: Raw Myd88 Data
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MA Plots: Quality Data
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MA Plots: Quality Data
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MA Plots: Quality Data
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MA Plots: Quality Data
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MA Plots: Quality Data
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MA Plots: Quality Data
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MA Plots: Int-limited Data
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MA Plots: Int-limited Data
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MA Plots: Int-limited Data
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MA Plots: Int-limited Data
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MA Plots: Int-limited Data
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MA Plots: Int-limited Data
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MA Plots: Normalized Data
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MA Plots: Normalized Data
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MA Plots: Normalized Data
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MA Plots: Normalized Data
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MA Plots: Normalized Data
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MA Plots: Normalized Data
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MA Plots: Norm. Corr. Factor
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MA Plots: Norm. Corr. Factor
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MA Plots: Useful Data
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MA Plots: Useful Data
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MA Plots: Useful Data
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MA Plots: Useful Data
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MA Plots: Useful Data
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MA Plots: Useful Data
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Analysis: Useful Data
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Analysis: Useful Data
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Analysis: Fold Ratio Setup
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Analysis: Fold Ratio Setup
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Analysis: Fold Ratio Setup
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Analysis: Fold Ratio Setup
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Analysis: Fold Ratio Output
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Analysis: Fold Ratio Output
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Analysis: Fold Ratio Output
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Analysis: Fold Ratio Output
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Analysis: Fold Ratio Output
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Analysis: Fold Ratio Output
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Analysis: Fold Ratio Output
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Analysis: Fold Ratio Output
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Analysis: Change list name
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Analysis: Change list name
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Analysis: Change list name
Change the name of this list as indicated here.
Change the name of this list as indicated here.
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Analysis: Change list name
Change the name of this list as indicated here.
Change the name of this list as indicated here.
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Analysis: Change list name
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Analysis: Change list name
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Analysis: Fold Ratio Graphs
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Analysis: Fold Ratio Graphs
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Analysis: Fold Ratio Graphs
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Analysis: Fold Ratio Graphs
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Analysis: Fold Ratio Graphs
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Analysis: Fold Ratio Graphs
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Analysis: t-test Setup
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Analysis: t-test Setup
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Analysis: t-test Setup
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Analysis: t-test Setup
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Analysis: t-test Output
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Analysis: t-test Output
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Analysis: t-test Output
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Analysis: t-test Output
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Analysis: t-test Output
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Analysis: t-test Output
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Analysis: Change list name
Change the name of this set to “myd88 p-value” using the same steps as before.
Change the name of this set to “myd88 p-value” using the same steps as before.
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Analysis: Change list name
Change the name of this set to “myd88 p-value” using the same steps as before.
Change the name of this set to “myd88 p-value” using the same steps as before.
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Analysis: Change list name
Change the name of this set to “myd88 p-value” using the same steps as before.
Change the name of this set to “myd88 p-value” using the same steps as before.
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Analysis: t-test Graphs
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Analysis: t-test Graphs
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Analysis: t-test Graphs
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Analysis: t-test Graphs
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Analysis: t-test Graphs
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Analysis: t-test Graphs
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Analysis: Experiment Explorer
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Analysis: Experiment Explorer
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EExplore: Single Gene View
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EExplore: Single Gene View
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EExplore: Single Gene View
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EExplore: Single Gene View
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EExplore: Single Gene View
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EExplore: Single Gene View
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EExplore: Gene List View
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EExplore: Gene List View
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EExplore: Gene List View
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EExplore: Gene List View
Fill out the table as indicated, then hit Add/Update.
Fill out the table as indicated, then hit Add/Update.
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EExplore: Gene List View
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EExplore: Gene List View
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EExplore: Gene List View
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EExplore: Gene List View
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EExplore: Gene List View
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EExplore: Gene List View
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EExplore: Gene List View
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EExplore: Gene List View
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EExplore: NCBI Links
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EExplore: Gene List ViewThis additional row will restrict hits to P values of 5% or less.
This additional row will restrict hits to P values of 5% or less.
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EExplore: Gene List ViewThis additional row will restrict hits to P values of 5% or less.
This additional row will restrict hits to P values of 5% or less.
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EExplore: Single Gene View
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EExplore: Single Gene View
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EExplore: Single Gene View
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EExplore: Single Gene View
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EExplore: Single Gene View
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EExplore: Single Gene View
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EExplore: Gene List View
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EExplore: Gene List View
Open MS Excel and tell it to open the file you downloaded (typically called base.tsv).
Open MS Excel and tell it to open the file you downloaded (typically called base.tsv).
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EExplore: Gene List View
Open MS Excel and tell it to open the file you downloaded (typically called base.tsv).
Open MS Excel and tell it to open the file you downloaded (typically called base.tsv).
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Have Fun!
The rest of the analysis is largely driven by your biological understanding of the genes indicated in these lists. We cannot help much in the interpretation of this data.Don’t forget to go back to the raw data sets and repeat this entire analysis for any other slide groupings.
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AcknowledgementsMGH Microarray CoreGlenn ShortJocelyn BurkeNajib El MessadiJason FrietasZhiyong Ren
MGH Microarray CoreGlenn ShortJocelyn BurkeNajib El MessadiJason FrietasZhiyong Ren
MGH Lipid Metabolism UnitMason FreemanHarry Bjorkbacka
MGH Lipid Metabolism UnitMason FreemanHarry Bjorkbacka
LUND (Sweden) Dept. Theoretical Physics & Dept. OncologyCarl TroeinLao H. SaalJohan Vallon-ChristerssonSofia GruvbergerÅke BorgCarsten Peterson
LUND (Sweden) Dept. Theoretical Physics & Dept. OncologyCarl TroeinLao H. SaalJohan Vallon-ChristerssonSofia GruvbergerÅke BorgCarsten Peterson
MGH Molecular Biology Bioinformatics GroupChuck CooperXiaowei Wang
Harvard School of Public Health BiostatisticsXiaoman Li
MGH Molecular Biology Bioinformatics GroupChuck CooperXiaowei Wang
Harvard School of Public Health BiostatisticsXiaoman Li
Microarray Data Analysis Using BASEYou’ve got data!What was I asking?How do I analyze the data?Today’s PresentationWork FlowThe Most Common experimentExperimental Design – naïveExperimental Design – tech replExperimental Design – bio replThe Most Common AnalysisBASE @ MGHBASE – Login pageBASE – Login pageBASE – Login pageBASE – Login pageBASE – Logged inBASE – Logged inBASE – SidebarBASE – SidebarBASE – SidebarBASE – SidebarBASE – SidebarBASE – SidebarBASE – SidebarBASE – SidebarBASE – SidebarBASE – SidebarBASE – SidebarBASE – SidebarBASE – My AccountBASE – My AccountBASE – My AccountBASE – My AccountFind your experimentFind your experimentFind your experimentFind your experimentExperiment view: Four TabsExperiment view: Four TabsExperiment view: Four TabsExperiment view: Four TabsExperiment view: Four TabsExperiment view: Four TabsExperiment view: Four TabsExperiment view: Four TabsGroup slide data togetherGroup slide data togetherGroup slide data togetherGroup slide data togetherGroup slide data togetherGroup slide data togetherGroup slide data togetherGroup slide data togetherAnalysis: BeginAnalysis: BeginAnalysis: BeginAnalysis: BeginAnalysis: Filter SetupAnalysis: Filter SetupAnalysis: Filter SetupAnalysis: Filter SetupAnalysis: Filter SetupAnalysis: Filter SetupAnalysis: Filter SetupAnalysis: Filter SetupAnalysis: Filter SetupAnalysis: Filter SetupAnalysis: Filter SetupAnalysis: Filter SetupAnalysis: Filter SetupAnalysis: Filter SetupAnalysis: Filter SetupAnalysis: Filter SetupAnalysis: Filter SetupAnalysis: Filter SetupAnalysis: Filter SetupAnalysis: Filter RunAnalysis: Quality DataAnalysis: Quality DataAnalysis: Unfiltered DataAnalysis: Filter ParametersAnalysis: Limit-Int SetupAnalysis: Limit-Int SetupAnalysis: Limit-Int SetupAnalysis: Limit-Int SetupAnalysis: Limit-Int SetupAnalysis: Limit-Int SetupAnalysis: Check job statusAnalysis: Check job statusAnalysis: Check job statusAnalysis: Check job statusAnalysis: Check job statusAnalysis: Check job statusAnalysis: Limit-Int OutputAnalysis: Limit-Int OutputAnalysis: Limit-Int OutputAnalysis: Limit-Int OutputAnalysis: Limit-Int OutputAnalysis: Limit-Int OutputAnalysis: Change data set nameAnalysis: Change data set nameAnalysis: Change data set nameAnalysis: Change data set nameAnalysis: Change data set nameAnalysis: Change data set nameAnalysis: Change data set nameAnalysis: LOWESS SetupAnalysis: LOWESS SetupAnalysis: LOWESS SetupAnalysis: LOWESS SetupAnalysis: LOWESS SetupAnalysis: LOWESS SetupAnalysis: Check job statusAnalysis: Check job statusAnalysis: LOWESS OutputAnalysis: LOWESS OutputAnalysis: LOWESS OutputAnalysis: Change data set nameAnalysis: Change data set nameAnalysis: Filter SetupAnalysis: Useful DataAnalysis: Useful DataMA Plots: Raw Myd88 DataMA Plots: Raw Myd88 DataMA Plots: Raw Myd88 DataMA Plots: Raw Myd88 DataMA Plots: Quality DataMA Plots: Quality DataMA Plots: Quality DataMA Plots: Quality DataMA Plots: Quality DataMA Plots: Quality DataMA Plots: Int-limited DataMA Plots: Int-limited DataMA Plots: Int-limited DataMA Plots: Int-limited DataMA Plots: Int-limited DataMA Plots: Int-limited DataMA Plots: Normalized DataMA Plots: Normalized DataMA Plots: Normalized DataMA Plots: Normalized DataMA Plots: Normalized DataMA Plots: Normalized DataMA Plots: Norm. Corr. FactorMA Plots: Norm. Corr. FactorMA Plots: Useful DataMA Plots: Useful DataMA Plots: Useful DataMA Plots: Useful DataMA Plots: Useful DataMA Plots: Useful DataAnalysis: Useful DataAnalysis: Useful DataAnalysis: Fold Ratio SetupAnalysis: Fold Ratio SetupAnalysis: Fold Ratio SetupAnalysis: Fold Ratio SetupAnalysis: Fold Ratio OutputAnalysis: Fold Ratio OutputAnalysis: Fold Ratio OutputAnalysis: Fold Ratio OutputAnalysis: Fold Ratio OutputAnalysis: Fold Ratio OutputAnalysis: Fold Ratio OutputAnalysis: Fold Ratio OutputAnalysis: Change list nameAnalysis: Change list nameAnalysis: Change list nameAnalysis: Change list nameAnalysis: Change list nameAnalysis: Change list nameAnalysis: Fold Ratio GraphsAnalysis: Fold Ratio GraphsAnalysis: Fold Ratio GraphsAnalysis: Fold Ratio GraphsAnalysis: Fold Ratio GraphsAnalysis: Fold Ratio GraphsAnalysis: t-test SetupAnalysis: t-test SetupAnalysis: t-test SetupAnalysis: t-test SetupAnalysis: t-test OutputAnalysis: t-test OutputAnalysis: t-test OutputAnalysis: t-test OutputAnalysis: t-test OutputAnalysis: t-test OutputAnalysis: Change list nameAnalysis: Change list nameAnalysis: Change list nameAnalysis: t-test GraphsAnalysis: t-test GraphsAnalysis: t-test GraphsAnalysis: t-test GraphsAnalysis: t-test GraphsAnalysis: t-test GraphsAnalysis: Experiment ExplorerAnalysis: Experiment ExplorerEExplore: Single Gene ViewEExplore: Single Gene ViewEExplore: Single Gene ViewEExplore: Single Gene ViewEExplore: Single Gene ViewEExplore: Single Gene ViewEExplore: Gene List ViewEExplore: Gene List ViewEExplore: Gene List ViewEExplore: Gene List ViewEExplore: Gene List ViewEExplore: Gene List ViewEExplore: Gene List ViewEExplore: Gene List ViewEExplore: Gene List ViewEExplore: Gene List ViewEExplore: Gene List ViewEExplore: Gene List ViewEExplore: NCBI LinksEExplore: Gene List ViewEExplore: Gene List ViewEExplore: Single Gene ViewEExplore: Single Gene ViewEExplore: Single Gene ViewEExplore: Single Gene ViewEExplore: Single Gene ViewEExplore: Single Gene ViewEExplore: Gene List ViewEExplore: Gene List ViewEExplore: Gene List ViewHave Fun!Acknowledgements