/** Two-Sample t tests using raw data, cutting blade example **/
*libname sasdata '\\storage.wpi.edu\academics\courses\MA\SAS-Data\sasdata8';
/***********************************************************
Data are found in sasdata.blades2
Two-sided test:
***********************************************************/
title 'Two-Sided Test';
proc ttest data=sasdata.blades2 alpha=.1;
 class manufacturer;
 var y;
 ods select Ttests;
run;
* Gives p-minus;
title 'One-Sided Test, <';
proc ttest data=sasdata.blades2 alpha=.1 sides=l;
 class manufacturer;
 var y;
 ods select Ttests;
run;
* Gives p-plus;
title 'One-Sided Test, >';
proc ttest data=sasdata.blades2 alpha=.1 sides=u;
 class manufacturer;
 var y;
 ods select Ttests;
run;
title;