scatterplot

  1. L

    Syntax: Use values from dataset as reference line in scatterplot

    I have a dataset with K subjects, all analyzed for L aspects, M parameters per aspect and the mean and difference of 1 of these M parameters. After Layered by ASPECTS, using GGRAPH /GRAPHDATASET NAME="graphdataset" VARIABLES=read write /GRAPHSPEC SOURCE=INLINE. BEGIN GPL SOURCE...
  2. N

    Plotting the results of GLM in R

    I have this data plotted as a scatter plot in Excel I had done a regression in Excel, and the p value was 2.14E-05 while the R- value was 0.32. I was told the R value was too low compared to the significance of the p value, and was told to control for the dispersion of the data by running it...
  3. L

    scatter plot for partial regression (in spss)

    Hi all I have an SPSS regression model in which I have a dependent variable, an independent variable and 4 covariates. I want to create a scatter plot for the dependent and independent variables WHILE CONTROLLING for my covariates (the way I understand the default SPSS scatter plot that...
  4. K

    What tests can I use?

    Basically, I have to variables Carbon Monoxide (CO) and Black Smoke. I have to test whether black smoke influences the level of CO in the atmosphere at a specific site. I'm not particularly good at stats, can someone please let me know what tests I can do on Minitab to test correlation. So...
  5. K

    Scatterplot relationship issue.

    Hi, the data below is just a sample of the data I am trying to enter into a scatterplot. The issue is that a previous correlation test shows a p value of 0.011, a clear relationship. However, when I took the averages of 196 entries of the data below, the scatterplot shows little...
  6. A

    How to report Correspondence Analysis

    Hi. I'm busy with a scientific research honours thesis, and for my results the statistician at my university conducted a correspondence analysis with a scatterplot, and then also a table. The problem is, I have no idea how to report this in my write-up. I have looked on the internet again, and...
  7. Q

    Scatter graph formatting help in R

    Hello all, I'm currently doing a project which I'm trying to use R with to get more familiar with it. I've run into a problem with scatter graphs. The one below, for example, shows the area of occurrence/occupancy of individual species within a genus of marine organism plotted against the...
  8. O

    Between-Group and Within-Group PCA

    Hi all, I'm running a PCA with two species (one fossil and one extant) divided into multiple geographic groups. The program I'm using is called PAST (PAlaeontological STatistics). Anyhow, I'm a little confused about within-group and between-group PCAs and how they differ from a PCA...
  9. S

    obtaining numeric correlations within scatterplot matrix(pairs)?

    Hi all, I have created scatterplot matrixes for my data but cannot for the life of me figure out how to obtain and then insert the correlations in the matrix. I had read posts online but I am generating errors. My pairs formula is pairs(~glass_sponge+Depth+S+M+Sm+P,data=Gs) I looked at...
  10. G

    Scatterplot Question

    Hello, I have designed two Likert scales to assess the purchase likelihood of a brand with a certain attribute and the second one to assess the attitude towards this attribute (both are 7-point scales). I based my questionnaire on the theory of planned behaviour which says that attitude is...
  11. D

    Help with Outliers

    Hello fellow scholars and researchers, I am a first year doctoral graduate student, and I could use a bit of advice. It's been a few years since my first graduate degree, and things are a bit rusty. :confused: I have been working with a dataset for a week now, and I recently read that...