R: Proportion Test (N Outcomes)

propTestN {jmv} | R Documentation

## Proportion Test (N Outcomes)

### Description

X² Goodness of fit

### Usage

    propTestN(data, var, counts = NULL, expected = FALSE, ratio = NULL)

### Arguments

`data` | the data as a data frame
`var` | a string naming the variable of interest in `data`
`counts` | a string naming a variable in `data` containing counts, or NULL if each row represents a single observation
`expected` | `TRUE` or `FALSE` (default), whether expected counts should be displayed
`ratio` | a vector of numbers: the expected proportions

### Value

A results object containing:

`results$props` |  |  |  |  | a table of the proportions
`results$tests` |  |  |  |  | a table of the test results

Tables can be converted to data frames with `asDF` or `as.data.frame`. For example:

`results$props$asDF`

`as.data.frame(results$props)`

### Examples

    data('HairEyeColor')
    dat <- as.data.frame(HairEyeColor)

    propTestN(dat, var = 'Eye', counts = 'Freq', ratio = c(1,1,1,1))

    #
    #  PROPORTION TEST (N OUTCOMES)
    #
    #  Proportions
    #  --------------------------------
    #    Level    Count    Proportion
    #  --------------------------------
    #    Brown      220         0.372
    #    Blue       215         0.363
    #    Hazel       93         0.157
    #    Green       64         0.108
    #  --------------------------------
    #
    #
    #  X² Goodness of Fit
    #  -----------------------
    #    X²     df    p
    #  -----------------------
    #    133     3    < .001
    #  -----------------------
    #

[Package jmv version 0.8.6.2 Index]