Hello everyone, I have a question regarding the weights used to calculate the factor scores in the FACTOR procedure. Since this procedure is calculating the optimal weights for each component, do I need to reverse a variable whose sign is negative in the rotated factor pattern table or do the optimal weights take care of that? For example, in my data, component six is loaded with three variables as shown below. Item 3 has a negative sign, whereas Item 1 and 2 have positive signs. Does this mean I have to recode item 3 before calculating the factor scores? I know this is required when calculating factor-based scores, but I am not sure if that is the case for factor scores. The SAS procedure code I am using is below too. Thank you so much for your assistance. Rotated factor pattern table Component 5 Component 6 … … Item1 0.07 0.85 * Item2 0.1 0.86 * Item3 -0.12 -0.75 * I used the following procedure to store the scores in a table called DATA_v2 : proc factor data=WORK.DATA_v1 simple method=prin priors=one nfact=6 plots=scree rotate=varimax round flag=.40 out=DATA_v2; var item1 item2 item3 item4 item5 item6 ; run;
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