# plots

1. ### Help , struggle with statistical analysis

I have patient characteristics such as gender, age, tissue type (normal or tumor), tumor location (cardia, corpus, antrum, fundus), Lauren classification (intestinal, diffuse, mixed), etc. and dependent variable is expression of a protein (= continued variable). I want to see if there is a...
2. ### Graph Issues

I have also posted in the SPSS forum as I am currently using R 3.2.1 and SPSS 23 along with R Essentials. I have not had a problem getting the programs to communicate however when I run R in SPSS I see a generated plot for a short time but it disappears immediately. There is no way to view the...
3. ### R phantom plots in SPSS

I am currently using R 3.2.1 and SPSS 23 along with R Essentials. I have not had a problem getting the programs to communicate however when I run R in SPSS I see a generated plot for a short time but it disappears immediately. There is no way to view the graphics but the output is reported. How...
4. ### Polynomial regression: how to plot several regression lines on same graph.

Hi there, I am currently working on my thesis which is concerned with abnormality of differences between index scores on an intelligence test. An important factor here are the correlations between indexes. There are 4 indexes, hence 6 possible pairs. Correlations between indexes are provided...
5. ### Marginsplot for categorical by categorical interaction with multiply imputed data

Hi all, I am trying to use marginsplots to graph a categorical by categorical variable interaction between gender (0 1) and level of drug use (0 1 2) for a logit model predicting lifetime sexual partners using multiply imputed data. I used the code from the ATS UCLA website as a template...
6. ### Combined ANOVA

Hi everybody, My problem is as follows: I designed three plots of 250 m2 On each plots there is three plant species with 3 replicates by species (3*3= 9 plants). The species are not randomized trough the plot. They are planted at the same place through the plots On each plot a different...
7. ### plot CI

I am trying to do a CI plot as illustrated in book but I get an error..using the values from a previous thread question str(predict(g,g1, se=TRUE)) List of 4 $fit : Named num 28.1 ..- attr(*, "names")= chr "1"$ se.fit : num 4.97 $df : int 42$...
8. ### help with expression()

Good day forum, I would like to create an axis that will further my illustration of a plot on a logarithmic scale... 10^0, \qquad 10^1, \qquad 10^2, \qquad 10^3, \qquad \ldots This I can achieve, statically, with : axis(2,at=10^seq(0,3,1),labels=expression(10^0,10^1,10^2,10^3), las=1) but...
9. ### MANCOVA interaction question

Hi, I have what is probably a simple (or self-explanatory question). I used a MANOVA with three DV's, two IV's and about 6 covariates. I found significant effects where I expected them, but I also expected to see a significant interaction between my two IVs. However, when I plot them, it LOOKS...
10. ### Loading Data from Multiple files and saving same graph produced from each file.

Hi, I'm new to R and programming. I don't really know where to start on this. What I'd like to accomplish is having R open a file containing my seperate file names (all .csv files), and then load one file at a time, and produce the same graph from it, and saving it as a pdf but with the same...
11. ### Plotters for interactions in logistic regressions

Hey there! Are there any excel spreadsheet-type plotters that will work for moderated logistic regressions? I'm finding some online, but they are for continuous dependent variables, not logistic regressions. Any help would be appreciated Best, Paul
12. ### Partial regression plots in R

Hey guys, I'm slowly converting myself from an SPSS user to an R user. I'm running a pretty basic multiple regression model and want to produce partial regression plots to view the relationship between each predictor and the response, when the other predictors are controlled for. In SPSS this...