visualization

  1. F

    R lme4: Plotting three-way interaction / conditional coefficient plot

    Hi all, I'm trying to visualize a three-way interaction from a rather complex linear mixed model in R (lmer function from the lme4 package; the model has a complex random-effects structure). The interaction consists of two continuous variables and one categorical variable (two experimental...
  2. D

    Data Visualization - Further Step than Correspondence Analysis

    Hi, I've currently been using correspondence to visualize our different consumer groups with each other. I have been comparing my column groups (AA, BB, CC) with my row groups (A, B, C). The cross section of groups all have affinities with each other that I've been able to use XLSTAT to...
  3. P

    Block desing with several datapoints

    Hey, I'm a PhD students and confronted with the following problem, hoping someone can give me an advise. For my research I had to use a more complex experimental design and now would like to know how this can be visualized in an appropriate way for a publication. I'm analyzing the effect of...
  4. S

    Plotting decision tree (from own algorithm) - best way to visualize tree?

    Hi Talk Stats, What: I've created my own decision tree algorithm, this results in a total of n-paths which is stored in a list (hence the list has n-elements). Each path is a vector of size m_i, where i =1,2,3, ..., n. Yes you guessed it right, since it's a decision tree every path starts at...
  5. W

    the summary statistics for characterizing the differences between two data sets

    I have two measurements for the same experiment. Right now, I want to compare how different are these two measurements. Are there any summary statistics that can be used to describe the differences? In addition, are there any graphical approaches to visualize these differences? Mesurement1...
  6. A

    Visualization of Likert Data

    Hi, So I'm currently analysing my data on a survey I carried out based on attitudes towards cognitive enhancers. Attitudes were measured on a 6 point(Strongly Disagree-Strongly Agree) Likert scale based on statements (eg: Use of cognitive enhancers before and exam is cheating). Survey was...
  7. G

    Feedback on pre-launch statistical analysis tool

    We're building a data analysis/visualization tool that we'd love your feedback on. It's very very far from complete, but some initial reactions would be helpful. We're building Statwing to be more powerful than Excel but easier to use than R/SPSS/etc. Here's the demo...
  8. L

    When should I use confidence and prediction bands?

    Would someone check that I have explained when to use prediction or confidence bands to myself correctly, please? Note, that I am talking about using a continuous visual representation of a band not about individual intervals. ----- In the context of visualizing the precision of regression...
  9. jpkelley

    Data visualization poll

    Hi, Originally, I thought this might be appropriate for the R thread, but I think this may have more general relevance. I'm trying to decide on a data visualization option, and my right and left sides of my brain are at war. In brief, I've modeled predator densities at two sites (in a...