Stata 15 help for npnchi2()

[FN] Statistical functions

Function

npnchi2(df,x,p) Description: the noncentrality parameter, np, for the noncentral chi-squared: if nchi2(df,np,x) = p, then npnchi2(df,x,p) = np Domain df: 2e-10 to 1e+6 (may be nonintegral) Domain x: 0 to 8e+307 Domain p: 0 to 1 Range: 0 to 10,000


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