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COMPUTE RANKORDER
[SIC\]COMPUTE OutVar RANKORDER InVar
Compute the order (sorting array) corresponding to the values in InVar,
e.g.
SIC> define real a[4] b[4]
SIC> let a 10 15 12 9
SIC> compute b rankorder a
SIC> exa b
B is a real Array of dimensions 4
4.000000 1.000000 3.000000 2.000000
InVar and OutVar are R*4 or R*8 variables, assumed to be 1-D variables.
This can be used e.g. for statistical non-parametric tests like the
Spearman test.
Gildas manager
2024-03-29