Re: [R] The equivalence of t.test and the hypothesis testing of one way ANOVA

2009-11-09 Thread Guido van Steen
...@ria.buffalo.edu wrote: > From: jlu...@ria.buffalo.edu > Subject: Re: [R] The equivalence of t.test and the hypothesis testing of one > way ANOVA > To: "Guido van Steen" > Cc: "Peng Yu" , r-help@r-project.org > Date: Monday, 9 November, 2009, 8:44 PM >

Re: [R] The equivalence of t.test and the hypothesis testing of one way ANOVA

2009-11-07 Thread Guido van Steen
Hi, Student's T-test is a test that can be used to test ONE SINGLE linear restriction - which serves the as alternative hypothesis - on a linear model - which serves as the null hypothesis - AT THE SAME TIME. Fisher's F test is an extension of the T test. The F test can be used to test ONE O

[R] How to turn individual consecutive information into survival objects?

2009-10-29 Thread Guido van Steen
Dear R List, I have a dataset with the following structure: """personal_id, p_0, p_1, p_2, , p_36, p_37 1, NA, 1, 4, , 1, NA 2, NA, NA, NA, , 4, NA . . . 6020, NA, 3, 3, , NA, NA 6021, NA, 2, 2, , 4, NA """ I used some made-up data. It is just meant to show the struc