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, View Summary statistics.
Summary statistics ( profit - sales) 1.1.
2.1 Summary Statistics.
2.1. :
MEAN ;
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MIN MAX .
S.D. ;
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2.2. . : view > Correlation matrix. :
2.2 - Correlation matrix.
(Selected vars) profit, sales. :
2.3.
(. 2.2.) , (. 2.4).
2.4.
2.3. . Gretl :
2.3.1. x- graph ( 
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2.3.2 View Graph specified vars
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Time series plot (. 2.6)
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x-y scatter ( 2.5)
x-y with impulses - (.. )
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2.3.3. View Multiply graphs .
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- X, Y.
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2.4. , , : Variable frequence plot , 2.8
2.8 frequency distribution.
Number of bins .
Minimum value, left bin bin width .
Show data only
Show normal distribution .
Show gamma distribution -.
gretl 2.9.
2.9 .
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