tests/testthat/_snaps/chisq-hyper.md

In ISCAM: Companion to the Book "Investigating Statistical Concepts, Applications, and Methods"

iscamchisqprob returns formatted upper-tail probability

Code
  res$output
Output
  [1] "probability: 0.1718 "

iscamhyperprob matches hypergeometric tails

Code
  res_lower$output
Output
  [1] "Probability 2 and below = 0.7038184 "

Code
  res_upper$output
Output
  [1] "Probability 3 and above = 0.2961816 "

iscamhypernorm reports tail probabilities and normal approximations

Code
  res_lower$output
Output
  [1] " hypergeometric: 0.7038 "               
  [2] " normal approx: 0.5 "                   
  [3] " normal approx with continuity: 0.6963 "

Code
  res_upper$output
Output
  [1] " hypergeometric: 0.2962 "               
  [2] " normal approx: 0.1521 "                
  [3] " normal approx with continuity: 0.3037 "

iscamchisqprob prints help for question mark

Code
  collapse_output(help_lines)
Output
  [1] "Arguments:\n     xval: the value of the chi-square statistic.\n     df: the degrees of freedom.\n     verbose: Logical, defaults to 'TRUE'. Set to 'FALSE' to suppress\n     messages"

iscamhypernorm prints help for question mark

Code
  collapse_output(help_lines)
Output
  [1] "Arguments:\n     k: Number of successes of interest or difference in conditional\n     proportions\n     total: Total number of observations in the study\n     succ: Overall number of successes\n     n: Number of observations in group A\n     lower.tail: Boolean for finding the probability above (FALSE) or below\n     (TRUE) the inputted value (inclusive)\n     verbose: Logical, defaults to 'TRUE'. Set to 'FALSE' to suppress\n     messages"

iscamhyperprob prints help for question mark

Code
  collapse_output(help_lines)
Output
  [1] "Arguments:\n     k: Number of successes of interest or difference in conditional\n     proportions\n     total: Total number of observations in the study\n     succ: Overall number of successes\n     n: Number of observations in group A\n     lower.tail: Boolean for finding the probability above (FALSE) or below\n     (TRUE) the inputted value (inclusive)\n     verbose: Logical, defaults to 'TRUE'. Set to 'FALSE' to suppress\n     messages"

iscamhypernorm converts fractional k inputs

Code
  res$output
Output
  [1] " hypergeometric: 0.9973 "               
  [2] " normal approx: 0.9901 "                
  [3] " normal approx with continuity: 0.9967 "

iscamhyperprob matches fractional inputs for both tails

Code
  res_lower$output
Output
  [1] "Probability 6 and below = 0.9758352 "

Code
  res_upper$output
Output
  [1] "Probability 6 and above = 0.1182716 "

ISCAM documentation built on Feb. 12, 2026, 5:07 p.m.