I have the following data below and know that the values were found by using a logarithmic scale.  How do I incorporate that into my t-test?  Would I have to use a log statement somewhere?  If so, where?  If not, why not?  Thank you data work.compare; length group $1; input group value; cards; A 2.7 A 0.0 A 3.1 A 4.6 B 6.2 B 5.2 B 3.5 B 3.6 B 5.9 ; run; ods graphics on; proc ttest data=work.compare plots=box; class group; var value; ods graphics off; ... View more

How do I transpose the following data set (WITHOUT using PROC TRANSPOSE) so that in the end, the output looks like this (in reality I have a LARGE data set, so I would really like an array statement somewhere!                                                                                                                                                               Start     End DATA exam;                                                                                                                                        30          35 input id $ e1-e4;                                                                                                                                   15          16     DATALINES;                                                                                                                                        20          25 Start 30 15 20 45                                                                                                                                 45          42 End 35 16 25 42 ; RUN; ... View more

I am trying to program the given information for a paired t-test.  How would I go about doing this using an array?  The information I am trying to read in is: DATA exam; input id $ s1-4; DATALINES; Start 30 15 20 45 End 35 16 25 42 ; RUN: below is the general information - we have 4 subjects with a starting grade and an ending grade.  I would like to perform a paired t-test. Subject   1    2     3    4 Start       30  15  20  45 End       35    16  25  12       ... View more