Density, (cumulative) distribution function and random generation for chi-squared distribution.
Examples
density_chi2(df = 3, 1:10)
#>  [1] 0.241970725 0.207553749 0.154180330 0.107981933 0.073224913 0.048652173
#>  [7] 0.031873400 0.020666985 0.013295545 0.008500367
cdf_chi2(df = 3, 1:10)
#>  [1] 0.1987480 0.4275933 0.6083748 0.7385359 0.8282029 0.8883898 0.9281022
#>  [8] 0.9539883 0.9707091 0.9814339
random_chi2(df = 3, n = 10)
#>  [1]  3.623006757  0.008882681  0.585871321  6.351979036  1.271618166
#>  [6]  0.677991661 13.002917754  0.942938298  3.554935978  2.244114057