Constructing meaningful and useful graphical representations of data. (If your question is only about how to get particular software to produce a specific effect, then it is likely not on topic here.)

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14 views

R: plotting decision tree with leaves text labels [on hold]

I use a package mvpart (MS -species in sites, TTE - parametres of environment) ...
1
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1answer
32 views

How to interpret height of density plot

How should I interpret the height of density plots: For example in the above plot, peak is at about 0.07 at x=18. Can I infer that about 7% of values are around 18? Can I be more specific than ...
3
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1answer
34 views

How to interpret the residual colors on a mosaic plot?

This is a mosaic plot of contingency table dataset HairEyeColor described here. How do I interpret the colors representing residuals? What is the difference ...
4
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2answers
57 views

Which is the best visualization for contingency tables?

Which is best plot, from statistical standpoint, to show a contingency table, which is typically being analyzed by chi-square test? Is it a dodged barplot, stacked barplot, heatmap, contour plot, ...
3
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0answers
33 views

Interpretation of biplot in PCA

Blue points all appear in the lower right-hand quadrant in the plane formed by the first two principal components. Is it a good interpretation of the biplot (right panel) to say that blue points ...
1
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0answers
16 views

Best plot to accompany unpaired 2-group test

If one plot is to be recommended for an article, from statistical point of view, which plot is best to convey information in cases of unpaired 2-group comparisons. Is it boxplot, violin plot, ...
2
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0answers
19 views

Better Visualization for Correlation Plots

I'm currently working on an analysis of correlated variables involving +20 variables. I can create correlation (triangle) plots and that is quite helpful but I am wondering what other kinds of data ...
0
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0answers
13 views

Growth mixture modeling with latent variables in R with lcmm

I am trying to replicate the analysis that was used to make this figure: I have measured the depression levels (a quantitative variable) in my subjects at the following time points (in months): ...
0
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0answers
21 views

How can we observe interaction?

Are there graphical methods to determine whether there are some sort of interaction between two variables towards the response variable? Thanks!
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21 views

How does one graph a 3 way interaction on excel? Also. how do you explain a 3 way interaction?

So my 3- way is between Prime x ethnicity x gender, not sure how to graph it and how to verbalize it. Any ideas are greatly appreciated. Thank you.
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2answers
72 views

How to represent kWh usage by year against average temperature

If there is a better StackExchange to post this question, feel free to direct me elsewhere. Just for fun, I want to chart my monthly household power consumption year-over-year. However, I wish to ...
1
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0answers
21 views

How do I plot an abline() when I don't have any data points (in R) [migrated]

I have to plot a few different simple linear models on a chart, the main point being to comment on them. I have no data for the models. I can't get R to create a plot with appropriate axes, i.e. I ...
0
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0answers
6 views

Visualize bipartite relationships [closed]

How can I visualize a bipartite data set with many-to-many relationships? Mind mapping software does not do it because most apps are hierarchical and the few (buggy) ones that do allow many-to-many ...
1
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1answer
18 views

Smoothing Kernel Preventing Simulation of Semi-Circle Law of Random Matrices

In trying to understand the properties of random matrices in the book "Plane Answers to Complex Questions" by R.Christensen, I came across the Semi-Circle Law, and tried to reproduce it with ...
0
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0answers
20 views

R - replace TRUE with actual value [closed]

My goal is to mark the values in plot if the value of jj is less than min_threshold and greater than ...
2
votes
1answer
33 views

Visualise variance partitioning

I'm interested in visualising variance partitioning in the context of linear models. Say you run an linear regression that predicts peoples weight based on their height and age. How can you visualise ...
1
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2answers
23 views

Dealing with studies with no cases in meta-analysis

I am meta-analysising the following data by age range: ...
0
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1answer
38 views

How to interpret this normal qq-plot?

I have tried to fit a glm to some weather data and I got this weird qq-plot. What could this possibly mean? I am aware of how various skewed error distribution qq-plots should look like, but what I ...
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0answers
11 views

Visualization of two terciary vectors

Let $x,y\in\{-1,0,1\}^n$ are two tertiary vectors of the same size where $n$ is a large integer such as $n=1000$. I want to see that $y_i=x_i$. Do you have any idea of the visualization of that ...
3
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0answers
23 views

Visualise large number of intersecting data

I am trying to visualise the size of the impact of different activities (A,B,C,D etc.) that improve (reduce the size of) a certain situation. Some of the activities (e.g. B and C) overlap with other ...
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0answers
8 views

R gplot for normal distribution - add data to graph [migrated]

I'm trying add to my plot some data that will facilitate users. My distribution graph comes from this code: ...
3
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0answers
23 views

visual statistics: fractions of people [closed]

Are there any packages/functions in R to plot visual fractions of people (for frequencies, probabilities, etc)? Examples of the kind of plots I would like to make in R (static, without the ...
0
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0answers
15 views

Ranking search results

I was looking at npm (the largest javascript package manager) and how they implemented the search results ranking. Each package has several important fields: name keywords description ...
3
votes
1answer
31 views

Statistics test to check for a correlation between two groups

I have The number of dispensed items per year and the cost per item - the graphs look as if when the number of dispensed items increase the cost comes down per item (red = cost, blue = number ...
3
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2answers
43 views

Comparing Categorical Variables

What is your go to method to visualize relationships between categorical variables? At work, I find myself working with a discrete outcome variables quite a bit. When exploring data, I often want to ...
0
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0answers
228 views

What's wrong with my derivation on stochastic neighbor embedding?

I've been reading the well-known stochastic neighbor embedding [https://www.cs.nyu.edu/~roweis/papers/sne_final.pdf] for a long time. And I've been trying to derive the gradient of its optimization ...
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1answer
40 views

Clustering Data of 8 dimensions

I am working on a data clustering and don't know how I can achieve it with R ! I am working on a data set of 50 observations each of 8 variables. What i want is to have clusters gathering the ...
4
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1answer
152 views

Comparing and visualising highly skewed distributions

The data I'm working with are highly skewed, with the vast majority of data concentrated at 0. It seems really hard to highlight the differences between these kind of distributions: ...
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0answers
15 views

Display more than two variables on the bar chart in Tableau [closed]

I am trying to put more than several variables on the bar chart in Tableau. Display two of them works fine: use Dual Axes chart type + select Syncronize axes option. Var1 and Var2: Var2 and Var3: ...
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2answers
73 views

Visualising uncertainty in slope and offset for a regression line?

According to a least squares fit I have performed to my data, my slope is $-0.1038±0.033$, and my offset $0.1065±0.032$. My first idea was to visualise this by drawing three lines: $0.1065-0.1038x$, ...
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0answers
7 views

Colors randomly assigned in R riverplot Sankey graph [migrated]

I found the R riverplot package very handy to make Sankey/Minard charts. The output chart is great, including the position of the nodes and the width of the edges. ...
0
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0answers
6 views

r does not show specified dates on x-axis [migrated]

I used the following to generate a histogram ...
3
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7answers
282 views

Comparing k-means results to original data: how to interpret the resulting plots?

I'm running k-means on my dataset that can be found here that has 7 classes. I plotted the ggpairs for the dataset and then took k-means and plotted ggpairs again ...
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0answers
43 views

best visualization way to show a PDF+CDF to non-math people

EDIT: please ignore the actual formatting of the graph; it is meant as a demo and not "finalized". We are struggling to find the best way to present CDFs to our customers. They can read PDFs, but ...
2
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0answers
36 views

Visualization of canonical correlation analysis results

What is a good way to visualize the results of canonical correlation analysis (CCA)?
3
votes
1answer
61 views

Data Visualization: how to plot irregularly spaced time series?

I have a collection of highly irregular sampled data. The gap between measurements can be few seconds, or few weeks or few decades... What are the techniques to plot irregularly spaced time series ...
0
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1answer
13 views

What does Density mean on Y-axis in qplot()? [duplicate]

I'm a beginner at R. I was trying out some code for implementing a basic qplot() on the inbuilt 'mtcars' dataset in R. ...
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0answers
6 views

“Error in plot.new() : figure margins too large” when plotting multiple histograms in a window [migrated]

I am attempting to plot several frequency histograms for the binomial distribution to show the Central Limit Theorem visually. Here is my function: ...
0
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0answers
30 views

How do I visualize participants' rankings of options in order of preference?

I asked people to 'Rank in order which social media platforms you use most', using Google forms. (The ranking $1$ represented the most used.) There were 10 different social media platforms to choose, ...
0
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0answers
11 views

R - Combining and visualising spatial data [migrated]

I'm trying to combine some spatial data with a csv data frame then produce a visualisation of some features of the result using ggplot2. When I combine the data and then try to fortify the result so ...
1
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0answers
27 views

Using single line chart with multiple, unrelated, data sets?

I would like to visualize two unrelated sets of data using a single line chart to check for any "correlation" (it's just for fun - nothing that claims to be statistically accurate). Just as an ...
0
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0answers
17 views

Graph showing the first stage effect

I am using a 2SLS approach in order to estiamte the effect from increased education. I want to show the effects of the first stage graphically, ie I want to show that the instrument affects schooling ...
3
votes
1answer
60 views

How to use the kernel trick on data that can't be visualized

I'm reviewing the kernel trick and there are a lot of toy examples of how a 2D classification which can't usually be separated by a linear SVM can be separated in 3 space. This is fine, but how is ...
5
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2answers
322 views

Why doesn't my gamma density plot match my histogram of samples?

I'm confused as to why plot is showing such a steep curve for the gamma PDF. I thought that plotting the draws from an inverse-gamma should approximate the PDF, however it doesn't match the plotted ...
0
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0answers
14 views

Feed-Forward Neural Networks Query

Is there a way to generate and ideal input vectors given an observed output vector in a trained network. In a lot of Autoencoder tutorials it is shown how to visualize 1 unit. Can this be extended to ...
1
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0answers
66 views

Suitable graph to compare predicted and actual values across multiple sites

I would like to make a graph to compare predictions with actual values. The graph must be independent of scale and show equal emphasis for over and under prediction. The purpose is to summarise ...
2
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0answers
21 views

Visualizing covariance matrices in R [closed]

I am hoping to draw a picture similar this in R -- this was done in Microsoft Word. Are there any useful R packages or tutorials that may be helpful? Thanks!
1
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1answer
107 views

Plotting results of ordered logistic regression analysis

I tried to plot the results of an ordered logistic regression analysis by calculating the probabilities of endorsing every answer category of the dependent variable (6-point Likert scale, ranging from ...
3
votes
2answers
62 views

How can I get slope and standard error at several levels of a continuous by continuous interaction in R?

I'm comparing the slopes of several different response variables (DVs; representing different populations) to a set of predictors (IVs). For some DVs a 2-way interaction (continuous by continuous) is ...
3
votes
1answer
73 views

Understanding cluster plot and component variability

I have run k-means clustering. I have also plotted the results using the following code in R: ...