Re: [R] Bootstrapping Confidence Intervals for Medians

2007-01-30 Thread Tim Hesterberg
This is in followup to an earlier message about bootstrap confidence intervals for the difference in two medians. I'll touch on three topics: * bootstrap theory for one vs two samples * special case of median * bootstrap small samples ONE VS TWO SAMPLES Brian Ripley wrote (the complete posting

Re: [R] Bootstrapping Confidence Intervals for Medians

2007-01-06 Thread Prof Brian Ripley
On Sat, 6 Jan 2007, [EMAIL PROTECTED] wrote: I apologize for this post. I am new to R (two days) and I have tried and tried to calculated confidence intervals for medians. Can someone help me? Later, you say you want a confidence interval for a difference in medians, not the same thing.

[R] Bootstrapping Confidence Intervals for Medians

2007-01-05 Thread gilbertg
I apologize for this post. I am new to R (two days) and I have tried and tried to calculated confidence intervals for medians. Can someone help me? Here is my data: institution1 0.21 0.16 0.32 0.69 1.15 0.9 0.87 0.87 0.73 The first four observations compose group 1 and observations 5 through 9