Page 57 - Applied Statistics Using SPSS, STATISTICA, MATLAB and R
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36 2 Presenting and Summarising the Data
Figure 2.6. Computing, in SPSS, the new variable PClass in terms of the variable
pmax .
Figure 2.7. Specification of a new (categorising) variable, PClass, inserted after
PMax in STATISTICA.
The presence of the equal sign, preceding the expression, indicates that one
wants to compute a formula and not merely assign a text label to a variable. One
can also build arbitrarily complex formulas in STATISTICA, using a large number
of predefined functions (see button ons Functi in Figure 2.7).