Re: [R] Power sampling

2004-11-18 Thread Uwe Ligges
Thomas Schönhoff wrote: Hello, after a unsuccessful search in lists maliarchive I wonder how I could estimate the power of a sample size related to an unknown population. Given the following (fake))situation: I do have a database containing about 5 millions observations over 70 variables. I

Re: [R] Power sampling

2004-11-18 Thread Thomas Schnhoff
Hello Uwe, Uwe Ligges schrieb: Thomas Schönhoff wrote: You have to tell us for which test you are going to calculate the power ... (and there might be nothing, since calculating the power precisely is not always that easy). Given my example from the first message I asked for a function which

[R] Power sampling

2004-11-17 Thread Thomas Schnhoff
Hello, after a unsuccessful search in lists maliarchive I wonder how I could estimate the power of a sample size related to an unknown population. Given the following (fake))situation: I do have a database containing about 5 millions observations over 70 variables. I would like to compute (as

[R] Power sampling(II)

2004-11-17 Thread Thomas Schönhoff
Hmm, sorry for hitting the send button to quick, here is the version output: platform i386-pc-linux-gnu arch i386 os linux-gnu system i386, linux-gnu status major2 minor0.0 year 2004 month10 day 04 language R regards Thomas