size.ci.mean.is: Mean Difference from Two (Independent) Samples
In cwendorf/dgb: DGB
size.ci.mean.is R Documentation
Mean Difference from Two (Independent) Samples
Description
Computes sample size required to estimate a population mean difference with desired precision in a 2-group design.
Arguments
alpha
alpha level for 1-alpha confidence
var
planning value of average within-group DV variance
w
desired confidence interval width
r
desired n2/n1 ratio
Value
n
required sample size
cwendorf/dgb documentation built on May 3, 2022, 9:35 p.m.
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| size.ci.mean.is | R Documentation |
Mean Difference from Two (Independent) Samples
Description
Computes sample size required to estimate a population mean difference with desired precision in a 2-group design.
Arguments
alpha |
alpha level for 1-alpha confidence |
var |
planning value of average within-group DV variance |
w |
desired confidence interval width |
r |
desired n2/n1 ratio |
Value
n |
required sample size |
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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