CI: An S4 Class to Confidence Intervals

In SciencesPo: A Tool Set for Analyzing Political Behavior Data

Description

Calculates the confidence intervals for a vector of data values.

Usage

CI(x, level = 0.95, alpha = 1 - level, na.rm = FALSE, ...)

CI(x, level = 0.95, alpha = 1 - level, na.rm = FALSE, ...)

Arguments

x	A vector of data values.
level	The confidence level. Default is 0.95.
alpha	The significance level. Default is 1-level. If alpha equals 0.05, then your confidence level is 0.95.
na.rm	A logical value, default is FALSE
...	Additional arguements (currently ignored)

Value

CI lower
Est. Mean	Mean of data.
CI upper	Upper bound of interval.
Std. Error	Standard Error of the mean.

Slots

lower

Lower bound of interval.

mean

Estimated mean.

upper

Upper bound of interval.

stderr

Standard Error of the mean.

Author(s)

Daniel Marcelino, [e-mail].

Examples

x <- c(1, 2.3, 2, 3, 4, 8, 12, 43, -1,-4)

CI(x, level=.90)

SciencesPo documentation built on May 29, 2017, 9:28 p.m.