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For example, suppose that you want to choose between x and y according to whether x#y is odd or even, respectively. The statements
x={1, 2, 3, 4, 5}; y={101, 205, 133, 806, 500}; r=choose(mod(x#y,2)=1,x,y); print x y r;result in
X Y R 1 101 1 2 205 205 3 133 3 4 806 806 5 500 500Suppose you want all missing values in x to be changed to zeros. Submit the following statements to produce the result shown below:
x={1 2 ., 100 . -90, . 5 8}; print x; X 3 rows 3 cols (numeric) 1 2 . 100 . -90 . 5 8The following statement replaces the missing values in X with zeros:
x=choose(x=.,0,x); print x; X 3 rows 3 cols (numeric) 1 2 0 100 0 -90 0 5 8
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