[R] ANOVA

2009-06-29 Thread Georgina Sarah Humphreys
I have the attached data set (csv) and I want to run an analysis of variance on the wingsize data (comparing infected vs non-infected) within and between experiments. Can anyone help me with the command I should use? Many thanks Georgina PhD Student Division of Infection and Immunity B5-29,

[R] R squared value for a line on a plot

2008-10-07 Thread Georgina Sarah Humphreys
Does anyone know how to retrieve the R squared value for a line on a graph? Thanks Georgina __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html

[R] Transformation for -ve binomial data

2008-09-25 Thread Georgina Sarah Humphreys
Can anyone advise a good transformation for this data below to produce a normalised distribution? Many thanks, Georgina No. of eggs on mosquito gut: 1 12 1 12 6 17 54 1 12 2 22 27 1 27 1 1 6 24 10 54 12 5 27 68 1 4 6 27 1 1 1 1 68 1 7 1 10 5 4 1 7 9 3 19 22 10 4 PhD

[R] Graph question

2008-09-24 Thread Georgina Sarah Humphreys
If I have a set of data comprising a list of numbers of eggs on mosquito guts that range from 1 to 157. How can I get R to draw a barchart of the distribution of the data (i.e. x axis= number of eggs on a gut, y axis=number of mosquitoes found with that number of eggs)? Data is listed below.

[R] t tests/ANOVA

2008-09-24 Thread Georgina Sarah Humphreys
I have a set of data that comprises genome numbers in single eggs from three different parasite clones - 3D7, HB3, and MIX. I can draw a boxplot of the genome numbers for each clonefed but how do I carry out a t test or ANOVA to compare if the means are signifcantly different? (Data is listed