IDAX.PCHISQ - Cumulative chi-square distribution

The PCHISQ function returns the probability that a variable that follows the chi-square distribution is smaller or equal to x.

Syntax

IDAX.PCHISQ(DOUBLE x, INT8 df)

Parameter descriptions

x
Mandatory.
The value that is to be computed.
Min: 0.00000000001
Data type: DOUBLE
df
Mandatory.
The number of degrees of freedom.
If df is 0 or less, PCHISQ(x,df) is null for all x values.
Min: 1
Data type: INT8

Returned information

DOUBLE the cumulative probability distribution from minus infinity to point x.