search for: de223

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2011 Apr 20
1
Extrapolating data points for individuals who lack them
Hi, We have an experiment where individuals responses were measured over 5 days. Some responses were not obtained because we only allowed individuals to respond within a limited time-frame. These individuals are given the maximum response time as they did not respond, yet we feel they may have done if given time (and by looking at the rest of their responses over time, the non-response days stand
2011 Apr 22
1
post-hoc test (glht?) which takes treatment into account not just explanatory variable overall
Hi R helpers! I have used a glht as a post-hoc test on an lmer with: -2 treatments (A & B) -1 categorical explanatory variable (song type) -1 response variable (latency to respond) I wanted to make comparisons between the categorical variables depending on treatment. At the moment the glht simply returns comparisons of each of the (3) categorical explanatory variables with each other
2011 Apr 15
2
boxplot with 2 treatments and 2 variables (with 2 corresponding y-axes)
Hi, I am a complete newcomer to R and although I can plot standard box-plots I am struggling with this... I have two treatments - A & B, and 2 variables 1 & 2. I want to compare boxplots of variable 1 with variable 2 for each treatment. I would also like them to all be on the same graphic. I would like treatment to be on the x axis (A and B) and above A and B have their corresponding