SciencesPo (version 1.3.9)

ci: An S4 Class to Confidence Intervals

Description

An S4 Class to Confidence Intervals

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.

encoding

UTF-8

Examples

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

ci(x, level=.90)