Measures with missing data

The following three functions can be used with missing data. They return the mean, the standard error of the mean and the confidence interval of the mean.Note that we hesitated to provide these functions: you should deal with missing data prior to making your plot. Also note that for repeated-measure design, only CA adjustment is available.

meanNArm(x)

SE.meanNArm(x)

CI.meanNArm(x, gamma)

Arguments

x

a vector of numbers, the sample data (mandatory);

gamma

a confidence level for CI (default 0.95).

Value

the means, a measure of precision (SE) or an interval of precision (CI) in the presence of missing data.

References

There are no references for Rd macro \insertAllCites on this help page.

Examples

# the confidence interval of the mean for default 95% and 90% confidence level
meanNArm( c(1,2,3, NA) )
#> [1] 2
SE.meanNArm( c(1,2,3, NA) )
#> [1] 0.5773503
CI.meanNArm( c(1,2,3, NA) )
#> [1] -0.4841377  4.4841377
CI.meanNArm( c(1,2,3, NA), gamma = 0.90)
#> [1] 0.3141455 3.6858545