how to perform principal component analysis on variables? can you perform principal component analyses on data sets can i perform pca on a different dimension how to perform principal component analysis can principal component analysis be performed on variables with different number of rows how many rows of data does var1 have can the principal component analysis be performed on a variable that has different number of rows of data? how to perform principal component analysis how is principal component analysis performed when is principal component analysis possible principal component analysis definition how to analyze data sets for principal component analysis what is the data set for principal component analysis can an array have more than one dimension of data? can pca be performed on variables of different dimensions? can principal component analysis be performed on variables that have different numbers of rows can pca be done on variable of different dimensions? what is the principal component of pca can a variable use an empty column as a principal component how to perform principal component analysis on different variables