LOGO
ECONOMETRICS INTRODUCTION
PART II
DagvaaMe7o
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2
3
:
4
()
5
POPULATION REGRESSION FUNCTION (PRF)
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:
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SAMPLE REGRESSION FUNCTION (PRF)
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:
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10
FRANCIS GALTON KARL PEARSON
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,
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.
( /)
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X Y
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.
(1, 2, , )
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X
.
(1, 2, , )
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X
.
.
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(sample size)
, (data)
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(SAMPLE SIZE)
5- 6 (n=6*k)
n
k
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(DATA)
Time Series Data ( , /: , )
Cross Sectional Data ( , 2015 21 )
Pooled Data ( .)
Panel Data (Pooled . . /: 21 , 5 )
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( )
( )
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4 (measurement)- .
(Ratio Scale)
(Interval Scale)
(Ordinal)
(Nominal)
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