PROG2 Assessment

8/13/2019 PROG2 Assessment

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PROG2 ASSESSMENT

PROG2 Chapter 2: ................................................................................................................................2Objective: (2.2.1) Explicitly control output of observations to SAS dataset.......................................................2Objective: (2.2.2) Writin to !ultiple SAS datasets..........................................................................................."

Objective: (2.2.#) Subsettin $%&state'ent..........................................................................................................

Objective: (2.2.) *ontrollin +ariable output....................................................................................................,

Objective: (2.2.") *ontrollin -ic Observations are /ead............................................................................11Objective: (2.2.) 0e'porary +ariables............................................................................................................1#

Objective: (2.2.,) Writin to an External %ile...................................................................................................1PROG2 Chapter 3: ..............................................................................................................................15

Objective: (2.#.1) *reatin an Accu'ulatin +ariable.....................................................................................1"

Objective: (2.#.2) Accu'ulatin 0otals for roup of ata...............................................................................2#

Objective: (2.#.#) Subsettin $%&state'ents.......................................................................................................2PROG2 Chapter 4................................................................................................................................27

Objective: (2..1) /eadin radata files..........................................................................................................2,

Objective: (2..2) /eadin ierarcical files.....................................................................................................#3PROG2 Chapter 5................................................................................................................................39

Objective: (2.".1) 4sin SAS %unctions............................................................................................................#5Objective: (2.".2) !EA6 %unction...................................................................................................................7

Objective: (2.".#) S*A6 %unction....................................................................................................................2Objective: (2.".) $6068 %unction...................................................................................................................

Objective: (2.".") S49S0/ and *oncatenation................................................................................................"

Objective: (2.".) S49S0/...............................................................................................................................Objective: (2.".,) *oncatenation ......................................................................................................................5

Objective: (2.".3) S*A6 %unction and *oncatenation....................................................................................."7

Objective: (2.".5) $6E8 %unction..................................................................................................................."1Objective: (2.".17) 0/A6W/ %unction........................................................................................................."2

Objective: (2.".11) /O46 %unction..............................................................................................................."

Objective: (2.".12) *E$ %unction...................................................................................................................."Objective: (2.".1#) %OO/ %unction................................................................................................................",

Objective: (2.".1) $60 %unction......................................................................................................................"3

Objective: (2.".1") S4! %unction....................................................................................................................7

Objective: (2.".1) ate %unctions....................................................................................................................2PROG2 Chapter 7................................................................................................................................65

Objective: (2.,.1) O oop ;rocessin............................................................................................................."

Objective: (2.,.2) S4! State'ent.....................................................................................................................


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PROG1 assessment questions

PROG2 assessment !est"#ns

PROG2 Chapter 2:

Objective: (2.2.1) Explicitly control output of observations to SAS dataset

$tem: 2.2.1.a.1

The following data step executes:

data a b; set c; if Dept = 'Admin' then output a; run;

Given the dataset work.cbelow, how many obsevations will the datasets aand bcontain!

"# a $ %b $ &

'# a $ %b $ (

)# a $ %b $ *

+# a $ &b $ &

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$tem: 2.2.1.%.1


data a b; set c; if Dept = 'Admin' then output; run;

Given the dataset work.cbelow, how many obsevations will the datasets aand bcontain!

"# a $ %b $ &

'# a $ %b $ %

)# a $ %b $ *

+# a $ &b $ &

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$tem: 2.2.1.&.1


data a; set b; Total + 1; output; Total + 1; output; Total + 1; output; run;

.ow many obsevations will be witten to dataset awith ea&h "terat"#n!

"# 1

'# %

)# /

+# 0one of the above#

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Objective: (2.2.2) Writin to !ultiple SAS datasets

$tem: 2.2.2.a.1


data a b; set c; if Dept = 'Admin' then output a else output b; run;

Given the dataset work.cbelow, how many obsevations will dataset aand bcontain!

"# a $ %

b $ *

'# a $ %b $ (

)# a $ %b $ &

+# a $ &b $ &

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Objective: (2.2.") Subsettin #$%state&ent

$tem: 2.2.3.a.1


data a b; set c; if Dept = 'Admin'; run;

Given the dataset work.cbelow, how many obsevations will datasets aand bcontain!

"# a $ %b $ %

'# a $ &b $ &

)# a $ %b $ *

+# a $ %b $ &

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Objective: (2.2.') ontrollin ariable output

$tem: 2.2.4.a.1


data b; set a; drop Salary; Bonus = Salary * .1; run;

Given the dataset work.abelow, which of the following vaiables will appea in dataset b!

"# mp0o, +ept and 'onus

'# mp0o, +ept and 2alay

)# mp0o, 2alay and 'onus

+# mp0o, +ept, 2alay and 'onus

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$tem: 2.2.4.%.1


data b; set a; drop Salary; Bonus = Salary * .1; run;

Given the dataset work.a below, which of the following vaiables will appea in the P+4 5Pogam +ata4ecto6!

"# mp0o, +ept and 'onus




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$tem: 2.2.4.&.1


data b!"eep = Salary Bonus#; set a!drop = $mp%o#; Bonus = Salary * .1; run;


"# +ept and 2alay

'# 2alay and 'onus

)# +ept, 2alay and 'onus

+# mp0o, 2alay and 'onus

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$tem: 2.2.4.'.1


data b; set a!"eep = $mp%o Salary#; Bonus = Salary * .1; run;


"# mp0o and 2alay




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Objective: (2.2.*) ontrollin +,ic, Observations are -ead

$tem: 2.2.5.a.1


data a; set b !obs = run;

8hich of the following obsevations will be ead!

"# 1 to *

'# * till end

)# obsevation * only

+# * andomly selected obsevations

$tem: 2.2.5.%.1


data a; set b !firstobs = & obs = run;


"# ( to *

'# ( and *

)# ( and * till end

+# * obsevations, stating at obsevation (

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$tem: 2.2.5.&.1


data a; set b !firstobs = run;


"# obsevation * only

'# obsevations 1 to *

)# * till end of dataset

+# obsevation * fist, then andomly selected obsevations

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Objective: (2.2.) /e&porary ariables

$tem: 2.2.6.a.1

8hich of the following is epesented by the automatic vaiable_N_ !

"# The numbe of active datasets#

'# The numbe of obsevations in a dataset#

)# The numbe of iteations of the +"T" step duing dataset pocessing#

+# The obsevation numbe being pocessed duing the +"T" step pocessing#

$tem: 2.2.6.%.1

8hich of the following coectly descibes the effect of using the END= option in the SET statement!

"# The last obsevation is ead fom a dataset#

'# The data step label is executed at the end of the data step#

)# " vaiable is set to 1 until the last obsevation is ead fom a dataset#

+# " vaiable is set to 1 when the last obsevation is ead fom a dataset#

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Objective: (2.2.0) Writin to an External $ile

$tem: 2.2.7.a.1

8hich of the following pogams coectly wites the obsevations fom the dataset below to a aw data file!

"# data (%)(; set or".patients; file 'c,-clinic-patients-referals.dat'; put id 1/ se0 a2e 34 hei2ht 111&

ei2ht 1/1 pulse 13&;run;

'# data (%)(; set or".patients; infile 'c,-clinic-patients-referals.dat'; input id 1/ se0 a2e 34 hei2ht 111&

ei2ht 1/1 pulse 13&;run;

)# data referals.dat; set or".patients; input id 1/ se0 a2e 34 hei2ht 111& ei2ht 1/1 pulse 13&;run;

+# data (%)(; set or".patients; file c,-clinic-patients-referals.dat; put id 1/ se0 a2e 34 hei2ht 111& ei2ht 1/1 pulse 13&;run;

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PROG2 Chapter 3:

Objective: (2.".1) reatin an Accu&ulatin ariable

$tem: 2.3.1.a.1


data ne; set old; retain Total ; Total = Total + Sales; run;

Given the input file below, what will be the esult!

"#

'#

)#

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+#

$tem: 2.3.1.%.1


data ne; set old; Total = Total + Sales; run;


"#

'#

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)#

+#

$tem: 2.3.1.&.1


data ne; set old; Total + Sales; run;


"#

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'#

)#

+#

$tem: 2.3.1.'.1


data ne;

set old; retain Total 1; Total + Sales; run;


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"#

'#

)#

+#

$tem: 2.3.1.e.1


data ne; set old; retain Total ; Total = sum!Total5Sales#; run;


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"#

'#

)#

+#

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$tem: 2.3.1.(.1


data ne; set old; retain Total 1; Total = sum!Total5Sales#; run;


"#

'#

)#

+#

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Objective: (2.".2) Accu&ulatin /otals for roup of ata

$tem: 2.3.2.a.1

8hich of the following is indicated when LAST.variable is true!

"# The last element of an aay#

'# The last iteation of a DOloop#

)# The cuent obsevation is the last one in the dataset#

+# The cuent obsevation is the last one of BY goupx#

$tem: 2.3.2.%.1


data summary; set employees; drop $mp%o; by Dept; if first.dept = 1 then total = ; Total + Salary; if last.dept; run;


"#

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$tem: 2.3.2.'.1

8hich of the following statements is )A*SE!

8hen using the '< statement with the 2T statement###

"# 9R2T# and ;"2T# ae stoed in the dataset#

'# 9R2T# and ;"2T# identify the fist and last obsevation in each '< goup espectively#

)# the dataset listed in the 2T statement must be indexed o soted by the values of the '< vaiable#

+# the +"T" step automatically ceates two vaiables = 9R2T# and ;"2T# = fo each vaiable in the 'T statement vaiables#

8hich of the following 09; statements option should be used!

"# +2+

'# ;R);$

)# ;02A$

+# B22O4R

$tem: 2.4.1.'.1

The following pogam executes:

data sales; infile radata; input date date8. Dailysum 77; run;

Given the aw data file below, how many obsevations will be ceated!

"# *

'# 1(

)# 1*

+# (

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$tem: 2.4.1.e.1


data one; infile radata; input 7: year /.; if year = 1448 then input 73 amount :.; run;

Given the aw data file below, how many obsevations will be ceated!

"#

'# /

)# *

+# -

$tem: 2.4.1.(.1

8hich of the following types of input will be used to ead chaacte and numeic data that ae 0OT stoed infixed locations!

"# ;2T input

'# )O;>B0 input

)# 9ORB"TT+ input

+# 0one of the above#

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$tem: 2.4.1.+.1

8hich of the following types of input can be used to ead standad chaacte and numeic data that ae stoedin fixed locations!

"# )O;>B0 input only

'# 9ORB"TT+ input only

)# )O;>B0 and ;2T input

+# )O;>B0 and 9ORB"TT+ input

$tem: 2.4.1.h.1

8hich of the following types of input can be used to ead non=standad chaacte and numeic data that ae

stoed in fixed locations!

"# ;2T input

'# 0"B+ input

)# )O;>B0 input

+# 9ORB"TT+ input

$tem: 2.4.1.".1

8hich of the following 2"2 statements associates the fileef crime with the aw data file !"#$Docume%ts"rime!

"# filename crime ,-


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$tem: 2.4.1.,.1

8hich of the following statements coectly eads the fields in this ode: StockNo, &rice, 'tem, (i%is), St$le!

"# input Stoc"%o 6 1: rice &8:& >tem 6 &&/ ?inish 6 4 Style 6 1113;

'# input 6 Stoc"%o 1: rice &8:& 6 >tem &&/ 6 ?inish 4 6 Style 1113;

)# input Stoc"%o 6 1: ?inish 6 4 Style 6 1113 >tem 6 &&/ rice &8:&;

+# input Stoc"%o 6 1: rice 6 &8:& >tem 6 &&/ ?inish 6 4 Style 6 1113;

$tem: 2.4.1.-.1

8hich of the following will be egaded as non=standad data!

"# 13#-

'# =*#%

)# ,%31#-1

+# 1#*/C(%

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$tem: 2.4.1..1

8hat is an infomat!

"n instuction that specifies to 2"2###

"# to ceate a vaiable#

'# how to ead aw data#

)# how to display data values#

+# how to display vaiable labels#

$tem: 2.4.1.m.1

8hat is the default length of chaacte vaiables that ae ceated when using ;2T input!

"# &

'# **

)# ((

+# The length of the vaiable being ead#

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$tem: 2.4.1.#.1


data one; infile ',-numbers.dat'; input @ 77; if @=1 then @=; if @=& then @=/; if @=/ then @=:; if @= then @=1; run;

Given the aw data file below, what will the contents of the 2"2 dataset o%ebe!

"#

'#

)#

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+#

$tem: 2.4.1.p.1


data staff; infile radata;

input name 64. 71 dept 6. 71 salary . 7&1 office 6:. 7&/ country 6&.; run;

Given the table below, what value will be assigned to the vaiable salar$!

"# 13

'# 13*(

)# 13#*(

+# # 5missing6

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$tem: 2.4.1..1

n which of the following statements can the DL#= option be used!

"# 2T statement

'# +"T" statement

)# 0P>T statement

+# 09; statement

$tem: 2.4.1.r.1

8hat will the default delimete be set to when the +2+ option is used!

"# blan@

'# : 5colon6

)# , 5comma6

+# tab chaacte

$tem: 2.4.1.s.1

8hich of the following 2"2 statements coectly eads the values fo (%ame, L%ame,A**ress, it$, State and+ip in that ode!

"# >nput ?name 6 name 6; Address 6&.; ity 6 State 6 ip 6;

'# >nput ?name 6 name 6 Address 6&.

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ity 6 State 6 ip 6;

)# >nput ?name 6 name 6 Address 6&. ity 6 State 6 ip 6;

+# >nput ?name 6 name 6 ;

Address 6&. ; ity 6 State 6 ip 6;

$tem: 2.4.1.t.1

8hich of the following statements about the *ouble traili%, -at si,%5??6 is NOT TR/E!

"# t must be the last item specified in the 0P>T statement#

'# t is eleased when the input pointe moves past the end of the ecod#

)# t enables the next 0P>T statement to ead fom the cuent ecod in the same iteation of the+"T" step#

+# t enables the next 0P>T statement to ead fom the cuent ecod acoss multiple iteations of the+"T" step#

$tem: 2.4.1.!.1

8hich of the following statements is tue!

" ecod that is being held by a si%,le traili%, -at si,%5?6 will be automatically eleased when###

"# the next iteation of the +"T" step begins#

'# anothe value is ead fom the obsevation#

)# the input pointe moves past the end of the ecod#

+# anothe 0P>T statement that has an ? executes#

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$tem: 2.4.1.0.1

8hich of the following is an example of standad numeic data!

"# 1D

'# *(E

)# =%/#*-

+# F/,%/#*

$tem: 2.4.1..1

8hich infomat should be used to ead the values in column 1 = *!

"# w#

'# Fw#

)# w#d

+# commaw#d

$tem: 2.4.1..1

8hich of the following statements coectly identifies the name of a aw data file which is to be ead with afileefpro*uctsand specifies that the data step only eads ecods 1 = 1*!

"# input products 1 1;

'# infile products obs 1;

)#input products obs = 1;

+# infile products obs = 1;

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Objective: (2.'.2) -eadin ,ierarc,ical files

$tem: 2.4.2.a.1

8hich of the following statements ae tue when eading hieachical files!

To wite a data step to ceate one obsevation pe detail ecod it is necessay to

>. distinguish between heade and detail ecods# >>. hold the cuent value of each ecod type so that the othe values in the ecod can be ead# >>>. etain the heade ecod as pat of each obsevation until the next heade ecod is encounteed#

"# >. and >>. only

'# >. and >>>. only

)# >>. and >>>. only

+# >.5 >>. and >>>.

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PROG2 Chapter 5

Objective: (2.*.1) 3sin SAS $unctions

$tem: 2.5.1.a.1

8hich of the following chaactes is used to sepaate aguments within a 2"2 function!

"# blan@

'# : 5colon6

)# , 5comma6

+# 5semi colon6

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Objective: (2.*.2) !EA4 $unction

$tem: 2.5.2.a.1


data aCera2es; set uarters; aCera2e = mean!tr15tr&5tr:5tr/#; run;

Given the obsevation shown in the table below, what will the value of avera,e be!

"# (

'# %

)# /

+# # 5missing6

$tem: 2.5.2.%.1

.ow can the list of aguments in the B"0 function of the pogam below be abbeviated!

data aCera2es; set uarters; aCera2e = mean!tr15tr&5tr:5tr/#; run;

"# mean !tr1 /#

'# mean !tr1 tr/#

)# mean !of tr1 /#

+# mean !of tr1 tr/#

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$tem: 2.5.2.&.1


data aCera2es; set uarters; aCera2e = mean!of tr1tr/#; run;

Given the obsevation shown in the table below, what will the value of avera,e be!

"# (

'# %

)# /

+# # 5missing6

$tem: 2.5.2.'.1

8hich of the following functions calculates the aveage of the vaiables /tr0, /tr1, /tr2 and /tr3!

"# AEF !of Gtr15Gtr/#

'#


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$tem: 2.5.3.&.1


data strin2s; Te0t1 = HI$J 2

'# +O0";+

)# +O0";+ +>)J

+# I+O0";+ +>)J

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Objective: (2.*.') #4/45 $unction

$tem: 2.5.4.a.1

The esult of

!...# >%T%@!'J$AM'5'&4?$B143'D51# !...#

is a new date#

8hat will the new date be if the +"T7# fomat is used!

"# (1K"017&1

'# &9'17&1

)# 79'17&1

+# (1B"R17&1

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Objective: (2.*.*) S36S/- and oncatenation

$tem: 2.5.5.a.1


data strin2s; len2th te0t 6 : te0t& 6 :; Te0t = H?M>$%DS5 $%D


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Objective: (2.*.) S36S/-

$tem: 2.5.6.a.1

" new vaiable which was not peviously defined with a ;0GT. statement is ceated with the 2>'2TR

function#

8hat will the length of the new vaiable be!

"# &

'# 1

)# ((

+# The length of the vaiable used in the function#

$tem: 2.5.6.%.1


data strin2s; Te0t1 = HI$J


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$tem: 2.5.6.&.1




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$tem: 2.5.6.e.1




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Objective: (2.*.0) oncatenation

$tem: 2.5.7.a.1


data strin2s; Te0t = H


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Objective: (2.*.7) SA4 $unction and oncatenation

$tem: 2.5..a.1


data strin2s; Te0t1 = HI$J H OO scan!Te0t15 run;

8hat will the length of the vaiable Textbe!

"# 7

'# 1*

)# ((

+# (/

$tem: 2.5..%.1


data strin2s; len2th Te0t& 6 1; Te0t1 = HI$J H OO H H OO Te0t&; run;

8hat will the length of the vaiable Textbe!

"# 1(

'# 1*

)# 1-

+# (*

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Objective: (2.*.8) #4E5 $unction

$tem: 2.5.9.a.1




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Objective: (2.*.19) /-A4W- $unction

$tem: 2.5.1.a.1




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$tem: 2.5.1.&.1




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$tem: 2.5.11.&.1

The following statement executes:

Ear1 = round!&:./835.1#;

8hat will the value of the vaiable 4ar0 be!

"# %#/&

'# %#/&(

)# %#*

+# /

$tem: 2.5.11.'.1


Ear1 = round!&:./851#;


"# (

'# %

)# %#*

+# /

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Ob5ective! 61.7.038 'NT (u%ctio%

$tem: 2.5.14.a.1


Ear1 = int!&:.1&3#;


"# %

'# %#1

)# %#1&

+# %#1%

$tem: 2.5.14.%.1


Ear1 = int!&:.3/#;


"# %

'# %#&/

)# %#7

+# /

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$tem: 2.5.14.&.1


Ear1 = int!&:.3/#;


"# =%

'# =%#&/

)# =%#7

+# =/

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Objective: (2.*.1*) S3! $unction

$tem: 2.5.15.a.1


data aCera2es; set uarters; total = sum!tr15tr&5tr:5tr/#; run;

Given the obsevation shown in the table below, what will the value of totalbe!

"# %

'# 7

)# 1

+# # 5missing6

$tem: 2.5.15.%.1

.ow can the list of aguments in the 2>B function below be abbeviated!

data aCera2es; set uarters; total = sum!tr15tr&5tr:5tr/#; run;

"# sum !tr1 /#

'# sum !of tr1 /#

)# sum !tr1 tr/#

+# sum !of tr1 tr/#

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$tem: 2.5.15.&.1

8hich of the following functions calculates the total of vaiables /tr0, /tr1, /tr2 and /tr3!

"# sum !of Gtr15Gtr/#

'# tot !of Gtr15Gtr/#

)# sum !of Gtr1 Gtr/#

+# tot !of Gtr1 Gtr/#

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Objective: (2.*.1) ate $unctions

$tem: 2.5.16.a.1

8hich of the following statements will coectly ceate a 2"2 date value fo the 1 Oct ((!

"# dt1 = mdy!15&15&

'# dt1 = dmy!&1515&

)# dt1 = date!15&15&

+# dt1 = mmmddyy!15&15&

$tem: 2.5.16.%.1

8hich of the following statements will coectly ceate a 2"2 date value fo the 1 Oct ((!

"# dt1 = mdy!15&15&

'# dt1 = dmy!&1 1 &

)# dt1 = date!1,&1,&

+# dt1 = mmmddyy!1 &1

$tem: 2.5.16.&.1


DayCal = DAJ!TKDAJ! ##;

8hat will the value of Da$val be fo Bonday, 1 Oct (( as todayMs date!

"#

'# 1

)# # 5missing6

+# 1*-%/ 50umbe of days since 1 Kan 17-(6

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$tem: 2.5.16.'.1


DayCal = P$$IDAJ!TKDAJ! ##;

8hat will the value of Da$val be fo Bonday, 1 Oct (( as todayMs date!

"# 1

'#

)# 1

+# 1*-%/ 50umbe of days since 1 Kan 17-(6

$tem: 2.5.16.e.1


JrCal = J$AM!TKDAJ! ##;

8hat will the value of Yrval be fo Bonday, 1 Oct (( as todayMs date!

"#

'# (

)# ((

+# # 5missing6

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$tem: 2.5.16.(.1



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Objective: (2.0.2) S3! State&ent

$tem: 2.7.2.a.1

8hich of the following statements is a coect example of a 2>B statement!

"# Total+1;

'# 'Total' + 1;

)# Total = Total +1;

+# Total = S)

PROG2 Assessment

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