Re: [R] two-sample mean difference

2008-05-05 Thread Rolf Turner
On 6/05/2008, at 11:19 AM, <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> wrote: Dear list, I have a time-series Y of length n which has significant auto- correlation at lag 1, as indicated by acf plots. According to certain criteria, I have defined two groups of observations n1 and n2. The object

[R] two-sample mean difference

2008-05-05 Thread dmoutopo
Dear list, I have a time-series Y of length n which has significant auto-correlation at lag 1, as indicated by acf plots. According to certain criteria, I have defined two groups of observations n1 and n2. The objective is to estimate the difference of the means between these groups and test