# Topic2 - Distribution of X: Example data toluca; infile...

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Distribution of X: Example data toluca; infile 'I:\My Documents\Stat 512\CH01TA01.DAT'; input lotsize workhrs; seq=_n_; proc print data=toluca; run; Obs lotsize workhrs seq 1 80 399 1 2 30 121 2 3 50 221 3

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Distribution of X: Descriptive proc univariate data=toluca plot; var lotsize workhrs; run;
Distribution of X: Descriptive (1) Moments N 25 Sum Weights 25 Mean 70 Sum Observations 1750 Std Deviation 28.7228132 Variance 825 Skewness -0.1032081 Kurtosis -1.0794107 Uncorrected SS 142300 Corrected SS 19800 Coeff Variation 41.0325903 Std Error Mean 5.74456265 Basic Statistical Measures Location Variability Mean 70.00000 Std Deviation 28.72281 Median 70.00000 Variance 825.00000

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Distribution of X: Descriptive (2) Tests for Location: Mu0=0 Test -Statistic- -----p Value------ Student's t t 12.18544 Pr > |t| <.0001 Sign M 12.5 Pr >= |M| <.0001 Signed Rank S 162.5 Pr >= |S| <.0001 Quantiles (Definition 5) Quantile Estimate Quantile Estimate 100% Max 120 5% 30 99% 120 1% 20 95% 110 0% Min 20 90% 110 75% Q3 90
Distribution of X: Descriptive (3) Extreme Observations ----Lowest---- ----Highest--- Value Obs Value Obs 20 14 100 9 30 21 100 16 30 17 110 15 30 2 110 20 40 23 120 7

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Distribution of X: Descriptive (4) Stem Leaf # Boxplot 12 0 1 | 11 00 2 | 10 00 2 | 9 0000 4 +-----+ 8 000 3 | | 7 000 3 *--+--* 6 0 1 | | 5 000 3 +-----+ 4 00 2 | 3 000 3 | 2 0 1 | ----+----+----+----+
Distribution of X: Sequence plot title1 'Sequence plot for X with smooth curve'; symbol1 v=circle i=sm70; proc gplot data=toluca; plot lotsize*seq; run;

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Distribution of X: QQPlot title1 'QQPlot (normal probability plot)'; proc univariate data=toluca noprint; qqplot lotsize workhrs / normal (L=1 mu=est sigma=est); run;

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Heteroscediastic: Example (nknw100het.sas) Data het; do x=1 to 100;

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Heteroscediastic: Example (cont) title1 'Heteroscedastic'; symbol1 v=circle i=sm60; proc gplot data=diaghet; plot y*x; run;
Heteroscediastic: Example (cont) proc gplot data=diaghet; plot resid*x/vref=0; run;

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Heteroscediastic: Example (cont)
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## This note was uploaded on 02/20/2012 for the course STAT 512 taught by Professor Staff during the Spring '08 term at Purdue University-West Lafayette.

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Topic2 - Distribution of X: Example data toluca; infile...

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