tab: Frequency distribution

In myominnoo/stats2: Tools of statistical analysis and data management

Description

tab generates Frequency distribution of a variable.

Usage

tab(x, data = NULL, na.rm = FALSE, rnd = 1)

Arguments

x	a factor object
data	a data frame object (Optional)
na.rm	A logical value to specify missing values, <NA> in the table
rnd	specify rounding of numbers. See round.

Details

Exploring data before jumping into complex analysis is always a necessity. The first step of an analysis is always to summarize and display data.

tab produce one-way table of frequencies.

References:

1. Essential Medical Statistics, Betty R. Kirkwood & Jonathan A.C. Sterne, Second Edition. Chapter 3

2. An Introduction to MEdical Statistics, Martin Bland, Thrid Edition, Chapter 4

Author(s)

Myo Minn Oo (Email: [e-mail] | Website: https://myominnoo.github.io/)

See Also

xtab

Examples

str(infert)
tab(infert$education)
tab(education, data = infert)
tab(spontaneous, data = infert)

myominnoo/stats2 documentation built on Nov. 4, 2019, 8:33 p.m.