| Class | Global Utility |
| Name | pchisq |
| 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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