Dear SAS Communities, I have one question regarding the code command. Previously, I used the SAS 6.12 to determine the t value. Unfortunatel,y my computer broken and the software lost. Therefore, I am trying to use the SAS Studio to determine the t-value for my research. For your information, I need to get a t-value to arranged the factor in ascending order (see the attachment, I am trying to get the t-value like in this paper). However, when I paste the old command, it didn't work well (didn't give a t-value; see the attachment). May I know do someone know why this happen. Either my command is wrong or what. Below is my command: DATA RESPONSE SURFACE FOR PROTEASE ACTIVITY; INPUT X1 X2 X3 X4 COUNT; LABEL X1=PH X2=IONS X3=DETERGENT X4=DTT; CARDS; -1 -1 -1 1 17.425 1 -1 -1 -1 18.545 -1 1 -1 -1 16.464 1 1 -1 1 17.273 -1 -1 1 -1 17.745 1 -1 1 1 18.273 -1 1 1 1 24.936 1 1 1 -1 17.845 0 0 0 0 16.96 0 0 0 0 17.718 -1 -1 -1 -1 16.182 1 -1 -1 1 16.291 -1 1 -1 1 18.009 1 1 -1 -1 17.564 -1 -1 1 1 21.2 1 -1 1 -1 18.245 -1 1 1 -1 18.936 1 1 1 1 19.68 0 0 0 0 17.345 0 0 0 0 16.336 -1 0 0 0 18.436 1 0 0 0 17.345 0 -1 0 0 16.755 0 1 0 0 16.373 0 0 -1 0 18.773 0 0 1 0 20.827 0 0 0 -1 17.564 0 0 0 1 18.264 0 0 0 0 17.127 0 0 0 0 17.509 ; PROC RSREG; MODEL COUNT=X1 X2 X3 X4/ LACKFIT; RIDGE MAX; RUN;
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