[R] how to draw the confidence interval

[Jim Lemon]

Hi laomeng,
If you know how to plot the means and calculate the standard
deviations, perhaps look at the "dispersion" function in the plotrix
package.

Jim


On Sat, Mar 4, 2017 at 5:39 PM, laomeng_3 <laomeng_3 at 163.com> wrote:
> hi all
> I have a question about drawing the confidence interval .
>
> For instance,if I want to sample 100 times,and each time,the sample size is 10,and  the mean and sd is 15 and 1 respectively .I want to draw the 100 confidence intervals(as the attachment) .Which function should be used to draw the confidence interval ?
>
> Many thanks!
>
>
>
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