Presenting results in graphical form; for example, histogram, scatterplot, or boxplot.
2
votes
0answers
19 views
Visualise data with different sample sizes
I did a literature review and ended up with a lot of data in the kind of "10 out of 20 studies found x while 4 out of 8 studies found y".
To be more precise; I looked up the contribution of seafood ...
0
votes
1answer
30 views
2 x 2 between-subjects design ANCOVA with non-sig. interaction effect; but profile plot shows curves crossing
I'm running a 2X2 between-subjects design ANCOVA and wonder about one peculiar thing: The ANCOVA output table reveals no significant interaction effect, albeit the profile plot shows two lines that ...
2
votes
1answer
50 views
Chart/visual for negative binomial regression
My wife is presenting a study at a conference poster session. She has a correlation of sorts [1] where kids' self-assessment of asthma ("I felt a lot better" or "I felt a little better or not better") ...
0
votes
0answers
10 views
How to plot two curves on the same canvas in R [migrated]
Here is the code for generating simulated data:
...
0
votes
0answers
39 views
Correlogram in R like in Stata?
In STATA I can create a "Correlogram" to find the appropriate lag order in case of time series. E.g.
I know I can use the acf or Acf of the forecast package to calculate the ACF and PACF and to ...
1
vote
1answer
16 views
Omit 0 lag order in ACF plot
How can I omit the zero lag order in an acf plot? See this picture:
generated by
...
2
votes
2answers
88 views
Compare two Medians
I'm taking an intro to data visualization class, but I don't have a strong foundation in statistics.
For now I'm trying to do something basic with bar graphs.
I basically want to plot the median ...
1
vote
0answers
22 views
Visualizing results from multiple latent class models
I am using latent class analysis to cluster a sample of observations based on a set of binary variables. I am using R and the package poLCA. In LCA, you must specify the number of clusters you want to ...
0
votes
0answers
46 views
How to draw the regression line and the scatterplot between observed and predicted in R [migrated]
How can I draw observed vs predicted scatterplot in R? I also want to show the regression line in it.
...
0
votes
1answer
43 views
Plotting high dimensional data
I want to plot high dimensional data on x y plane. For that I know three methods: Principal component analysis (PCA), multidimensional scaling (MDS) and a method from spectral graph theory (using the ...
2
votes
2answers
61 views
What scheme is used for the axes in this plot?
What scheme is being used for the axes in this plot? Does it have a name?
It looks like the x axis is linear with a discrete change in spacing at 1 micron, but I can't figure out what's going on in ...
0
votes
0answers
11 views
How to create 1 x-axis label for 2 plotted bars [migrated]
I've created a bar plot but need to change the x-axis labels so that there's one label for the first two bars and a second label for the next two bars. At present each of the 4 plotted bars are ...
0
votes
1answer
21 views
What's the logic/motivation behind pre-filtering data based on variance?
I am currently working with gene expression data where I have a number of genes (variables) measured over a number of samples. I could not make sense of the statistics and visualization suite we have, ...
5
votes
1answer
38 views
Term used to describe two lines appearing closer to each other when lines are at a greater gradient
Forgive me if this is outside of the scope of Cross Validated, but it seemed relevant on the visualization front. As described here (page 3) there exists a phenomenon when gauging the distance ...
4
votes
0answers
44 views
A non-technical visualization of my database (a layman's ER Diagram?)
I would like to provide an intuitive visualization of my database for readers and users of the database that does not require technical knowledge of database structure. The figure will be included in ...
