infer_chisq_gof_test {inferr} | R Documentation |
Chi Square Goodness of Fit Test
Description
Test whether the observed proportions for a categorical variable differ from hypothesized proportions
Usage
infer_chisq_gof_test(data, x, y, correct = FALSE)
Arguments
data |
a |
x |
factor; column in |
y |
expected proportions |
correct |
logical; if TRUE continuity correction is applied |
Value
infer_chisq_gof_test
returns an object of class
"infer_chisq_gof_test"
. An object of class "infer_chisq_gof_test"
is a list containing the following components:
categories |
levels of |
chisquare |
chi square statistic |
deviation |
deviation of observed from frequency |
degrees_of_freedom |
chi square degrees of freedom |
expected_frequency |
expected frequency/proportion |
n_levels |
number of levels of |
observed_frequency |
observed frequency/proportion |
pvalue |
p-value |
sample_size |
number of observations |
std_residuals |
standardized residuals |
varname |
name of categorical variable |
Deprecated Function
chisq_gof()
has been deprecated. Instead use
infer_chisq_gof_test()
References
Sheskin, D. J. 2007. Handbook of Parametric and Nonparametric Statistical Procedures, 4th edition. : Chapman & Hall/CRC.
See Also
Examples
infer_chisq_gof_test(hsb, race, c(20, 20, 20, 140))
# apply continuity correction
infer_chisq_gof_test(hsb, race, c(20, 20, 20, 140), correct = TRUE)