chi.noncentral.conf: Non-central Chi-Squared Confidence Interval

In Deducer: A Data Analysis GUI for R

Non-central Chi-Squared Confidence Interval

Description

Confidence interval for the Non-centrality parameter of Non-central chi-squared distribution

Usage

chi.noncentral.conf(chival,df,conf,prec=.00001)

Arguments

chival	The observed Chi-Squared value
conf	The confidence level (e.g. .95)
df	Degrees of freedom
prec	Precision of estimate

Value

A 2X2 matrix whose rows represent the upper and lower bounds, and whose columns represent the parameter value and upper tail percentiles.

References

Smithson, M.J. (2003). Confidence Intervals, Quantitative Applications in the Social Sciences Series, No. 140. Thousand Oaks, CA: Sage.

See Also

Chisquare

Examples

chi.noncentral.conf(6,1,.95)
#            Result:

#      Non-Central          %
#Lower   0.2089385 0.97500899
#Upper  19.4443359 0.02499302

Deducer documentation built on June 8, 2025, 1:21 p.m.