LOGO

ECONOMETRICS INTRODUCTION

PART II

DagvaaMe7o

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2

3

:

4

()

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POPULATION REGRESSION FUNCTION (PRF)

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:

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SAMPLE REGRESSION FUNCTION (PRF)

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:

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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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