search for: correaltion

Dear All, I wonder if this is a technical or an interpretation problem. I fitted an lme model including a random intercept and a random slope. The estimated correlation, from the lme, between the random intercept and the random slope is equal to 1. Does it mean that I should suppress one of the random effect from the model? Thanks a lot, Bernard

Hi, I'd got a matrix of correaltion values. Which cluster method can I use to cluster it? Best Regards...

...one with biological data of each plot. the column names correspond to each other plot1 plot 2....... 1983 ... .... 1984 ... .... ... and plot 1 plot2 1 ... ... 2 is it somehow possible to use acf() with two data frames and get a p values for the whole correaltion of these two frames? AND to have the lag function with p values? otherwise I think that cor() could do the job but this one hasn't implemented the lag function. an idea? thanks Martin -- Martin Wegmann Department of Animal Ecology and Tropical Biology Zoology III, Biocenter Am Hubland 9707...

Dear listers, I have two questions: (1) Is there a way in R to change the base-n of the calculations. I wnat to run some calculations either in binary (base-2) or base-4. Is there a way to specify that in R - to chnage from the decimal? (2) I also want to extract the digits from a larger number and store them as a vector. I could do it through converting top string, parsing the string and

Dear all, I'm writing my manuscript to publish after analysis my final data with ANOVA, ANCOVA, MANCOVA. In a section of my result, I did correlation of my data (2 categirical factors with 2 levels: Quantity & Quality; 2 dependent var: Irid.area & Casa.PC1, and 1 co-var: SL). But as some traits (here Irid.area) are significantly influenced by the covariate (standard length, SL), I