px {equate} | R Documentation |
This function returns the percentile ranks for each score point in a frequency distribution.
px(x)
x |
two-column matrix of class “freqtab ”, where column 1 specifies the score scale and column 2 the frequencies for each score point
|
Returns a vector of percentile ranks
Anthony Albano tony.d.albano@gmail.com
x <- freqtab(ACTmath[,2],0:40) px(x)