Thanks for the suggestion but I'm not sure that it answers my original
question.I need to know how many samples I need to collect to collect in order
to estimate the sample size needed to achieve a specific margin of error for
confidence intervals for the population variance. I'm not sure whether the pwr
package does that.
On Thursday, July 4, 2019, 4:31:44 PM PDT, John <j...@surewest.net> wrote:
On Tue, 2 Jul 2019 22:23:18 +0000 (UTC)
Thomas Subia via R-help <r-help@r-project.org> wrote:
> Colleagues,
> Can anyone suggest a package or code which might help me calculate
> the minimum sample size required to estimate the population variance?
> I can do this in Minitab but I'd rather do this in R. Thomas Subia
You want to look into the capabilities of the pwr package. This page
offers some information:
https://www.statmethods.net/stats/power.html
JWDougherty
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