Re: [R] Issue with t.test

2019-03-13 Thread Jim Lemon
Hi Smruti, In the example in question, you are probably doing something like this: # I didn't see any attachment for the data X<-rnorm(99,mean=59.96753) t.test(X,mu=50,alternative="less") One Sample t-test data: X t = 101.29, df = 98, p-value = 1 alternative hypothesis: true mean is less

[R] Rank ANCOVA

2019-03-13 Thread Jackson, Daniel
Hi Frank and Dennis I am in a similar situation but I would prefer to use a proportional odds model. 2 questions. 1. Has rank ancova been implemented in R now, despite its short comings? 2. Where has it been shown to yield unreliable analyses? I would like this evidence (which I believe

Re: [R] Issue with t.test

2019-03-13 Thread SMRUTI BULSARI
Dear Greg Snow / Rolf Turner: I must thank you very much for your very prompt and a detailed response to my query on t.test command. I am attaching herewith, a file in csv format, containing the column vector with on which I am performing the one-sample t-test using t.test. I understand that 1