Sib-pair Command: pchisq


ClassGlobal Utility
Namepchisq
Arguments <chi-square> <degrees of freedom> [<df2>]

Calculate P-value for Chi-square distribution (or F-distribution). If the ncp modifier is present, the following number is taken to be the noncentrality parameter. If absent, but three numerical arguments are present, this causes the P-value for the F-distribution to be calculated.

Example:

>> pchisq 3.84 1
 0.05004352126409617
>> pchisq  3.84 1 1
  0.30039657553586135     
>> pch 10 2 { 5 10 15 }
 0.9821114561830775
 0.9958847736920403
 0.9982615023640647


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