The three methods of variable transformation provided by PROC PRINQUAL are discussed in the following sections. On each iteration, the MTV algorithm alternates classical principal component analysis ...
This example shows the use of PROC EXPAND to perform various transformations of time series. The following statements read in monthly values for a variable X. data test; input year qtr x; date = yyq( ...
WHEN a practical man devotes himself to the task of explaining to others the difficulties of any specialised subject on which he has been engaged for many years, the result is likely to be ...
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