[R] Dose-response relationship using metafor?

2013-09-18 Thread Ross, Stephanie
I am currently working a meta-analysis that is exploring the effect of a drug on plasma lipid levels. However, I am primarily interested in assessing the overall dose-response relationship with mean change in lipids. I have used the metafor package to conduct a meta-regression but is there a way

[R] Contingency table and mean(sd)

2012-05-19 Thread Ross, Stephanie
Hi All, I have a question regarding contingency tables. I would like to calculate the mean and standard deviation of a continuous variable from my own dataset based on the percentages of a contingency table I obtained from a scientific article. dataset<- data.frame(cbind(case=rep(0:1,5), x1=c(1

[R] Forest Plot Text

2011-01-31 Thread Ross, Stephanie
Hello All, I am having a problem creating text for my forest plot using the "forestplot" function in the rmeta package. I think my problem is that I have too many columns of text, so I was wondering if there is a way to shrink my text or to change the default setting. Here is an example:

[R] Combing forest plots

2011-01-26 Thread Ross, Stephanie
Hi All, I am trying to combine two forest plots on the same page using the "forestplot" function in the rmeta package. Once I use the par() function to combine my plots on the same page, I find that my two plots are overlaying each other. Does anyone have any suggestions on how to fix this? T

[R] Three-way interaction plot

2011-01-19 Thread Ross, Stephanie
Hello All, I need to create a three-way interaction plot and I was wondering if anyone could recommend a package I could use to design these plots. Thank you! PHRI DISCLAIMER This information is directed in confidence solely to the person named above and may n

[R] Reshape Columns

2010-12-09 Thread Ross, Stephanie
Hello, I have a general formatting question. I have two columns of data: ColA <- c("m", "m", "m", "m") ColB<- c("d","d","d","d") And I would like to reorder them into a new column that looks like this: ColC<- c("m","d","m","d","m","d","m","d") Thank you! Stephanie ___