sas程序如下:
data Plates; label Gap = 'Plate Gap in cm'; input Gap @@; datalines;0.746 0.357 0.376 0.327 0.485 1.741 0.241 0.777 0.768 0.4090.252 0.512 0.534 1.656 0.742 0.378 0.714 1.121 0.597 0.2310.541 0.805 0.682 0.418 0.506 0.501 0.247 0.922 0.880 0.3440.519 1.302 0.275 0.601 0.388 0.450 0.845 0.319 0.486 0.5291.547 0.690 0.676 0.314 0.736 0.643 0.483 0.352 0.636 1.080;proc univariate data=Plates; var Gap; histogram / midpoints=0.2 to 1.8 by 0.2 lognormal weibull gamma name = 'MyHist';run;



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