test.prop.bs: Hypothesis test of equal proportions in a between-subjects...

View source: R/statpsych3.R

test.prop.bsR Documentation

Hypothesis test of equal proportions in a between-subjects design

Description

Computes a Pearson chi-square test for equal population proportions for a dichotomous response variable in a one-factor between-subjects design.

Usage

test.prop.bs(f, n)

Arguments

f

vector of frequency counts of participants who have the attribute

n

vector of sample sizes

Value

Returns a 1-row matrix. The columns are:

  • Chi-square - chi-square test statistic

  • df - degrees of freedom

  • p - p-value

References

\insertRef

Fleiss2003statpsych

Examples

f <- c(35, 30, 15)
n <- c(50, 50, 50)
test.prop.bs (f, n)

# Should return:
#      Chi-square df            p
# [1,]   17.41071  2 0.0001656958



statpsych documentation built on July 9, 2023, 6:50 p.m.