Presenting results in graphical form; for example, histogram, scatterplot, or boxplot.
1
vote
1answer
36 views
What is the best way of presenting a correlation? (in R)
I have two variables which show significant correlation (Spearman). I would like to graphically show the strength of the relationship, much like showing a linear regression fit with confidence bands. ...
-3
votes
0answers
44 views
fitting cdf into range 0-1
In order to calculate the cumulative distribution function, I counted the number of delays in my example within intervals. but the results for each interval is a large value. I need to know how can i ...
0
votes
2answers
26 views
Need cube (square) plot for 2 factors factorial design in R
Is there any R package that can produce cube plots for 2 factors (in fact it is a square plot)? I want something similar to the first plot at the end of this page on factorial plots.
In the package ...
1
vote
1answer
37 views
How to plot a “differential word cloud” in R?
I have a questionnaire with one "open" text box, and 20,000 responses. I'm not planning to read all of them, but I'm thinking of interesting things to do with them. A general tag cloud would not be ...
0
votes
0answers
35 views
How to deal with a lot of plots in R [migrated]
I have a for loop which produces 60 plots. I would like to save all this plots in only one file.
If I set par(mfrow=c(10,6)) it says : ...
1
vote
0answers
23 views
Visualization and navigation through a Pareto front
I've recently extended my genetic algorithm in such a way that it constructs a Pareto front, instead of weighing the different quality dimensions.
The quality dimensions are not related to 'spacial' ...
1
vote
1answer
41 views
Autocorrelation and Partial autocorrelation interpretation
I am learning about ACF and PACF graphs. I am not sure I understand how to interpret the one I got for my data.
I have searched google for some ACF and PACF examples, and I found some samples of ...
4
votes
1answer
50 views
Visualising relationship data
I have data about a certain workforce, with different worker types W1, W2, W3, W4, etc. I need a method to visualise the relationship between each worker type. In particular, I'm interested in ...
0
votes
0answers
19 views
Sorting/Clustering similarity matrices
I wonder, what are the available libraries in R or Python to do correlation matrix clustering (sometimes it is referred to clustering).
I also, wonder, after clustering/grouping each point. What is ...
4
votes
1answer
80 views
Confidence error bars and “central point”: Should we emphasize the median?
Say I want to plot summary data with a point and a 95% confidence interval around that point. What should my point really be? Mean, mode, or median?
I know that mean = median for any symmetrical ...
2
votes
0answers
62 views
Diagnostic plot for assessing homogeneity of variance-covariance matrices
Is there a handy plot for comparing the variance-covariance matrices of two (or perhaps more) groups? An alternative to looking at lots of marginal plots, especially in the multivariate Normal case?
0
votes
1answer
71 views
0
votes
1answer
38 views
SPSS: Plot a multinomial logistic regression
Very simply, I'd like to plot a graph that compares what is predicted by the model to the real observations.
It seems easy for binomials, but for multinomial the graph that SPSS creates is pretty ...
1
vote
0answers
25 views
R module for creating plots of prototypical individuals from fitted models?
In order to help interpret fitted models — especially those with interaction terms and non-linear components — I've found it useful to plot predicted values of a dependent variables for what we might ...
3
votes
3answers
96 views
How should I color scheme a heat map based off data below?
I have subdivided the globe into 100 sq mile bins and then collected how many tweets were sent with a geolocation within each bin. At first I color coded each bin on the map based off a standardized ...
0
votes
0answers
25 views
Signature plots definition
While reading some articles about High frequency statistics in financial markets, more precisely wile reading about microstructure noise, I was confronted by some signature plots simulated graphics.
...
0
votes
0answers
24 views
Plot normal probability for effect estimates in factorial design in R
I have 2 level Design (DOE) with 4 factors (A,B,C,D). I've already calculated the estimates for each main effect and all the interaction effects.
How can I construct the normal probability plot to ...
0
votes
0answers
12 views
Visualising results from 'effects' package [migrated]
Any ideas on how to control the tick-label size e.g. on the following code i'd like to control the font size of the words 'Male' and 'Female' on the x axis and the units of 'volunteer' on the Y axis. ...
0
votes
0answers
15 views
How to combine different barplot in R? [migrated]
I am a new R user.
I have a difficult time figuring out how to combine different barplot into one graph.
For example,
Suppose, the top five of professions in China, are, government employees, ...
0
votes
0answers
38 views
Visualising mixed effects factorial design results
My model is a mixed, multi-factorial one. I am using lme (library nlme) because I also need to include weights to account for heteroscedasticity. I would like to be able to visualize the model ...
4
votes
2answers
135 views
Data visualization of average and standard deviation over a small time series
I am trying to find the best way to visualize the following data:
I have values for 3 different times/dates, each time/date has the same 20 species. For each species I have the average height and ...
2
votes
2answers
61 views
How can I convert my dataset into a new dataset which is adjusted for confounding covariates?
I have used software before to do linear regression and factor in/out the confounding variables, but what I would like to do is generate a new data set which is adjusted for the confounding variables. ...
1
vote
0answers
32 views
Graph data from an Excel Pivot in a Tree Representation
I've been looking for a while to see if there's any add-on or software which allows data from an excel pivot to be graphed dynamically in a visual tree representation. I know of the likes of graphviz ...
7
votes
2answers
427 views
What distribution does my data follow?
Let us say that I have 1000 components and I have been collecting data on how many times these log a failure and each time they logged a failure, I am also keeping track of how long it took my team to ...
3
votes
1answer
91 views
How to plot a 5D data set in “star coordinates”?
I am reading the paper "Star Coordinates: A Multidimensional Visualization Technique with Uniform Treatment of Dimensions" and trying to plot my data.
Lets say I have $A(2,5,3,1,8)$, a five ...
2
votes
1answer
46 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
41 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 ...
3
votes
2answers
95 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:
...
3
votes
2answers
232 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 ...
2
votes
2answers
54 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
104 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 ...
3
votes
0answers
46 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
47 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
55 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
64 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
15 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
30 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, ...
8
votes
2answers
67 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 ...
3
votes
0answers
109 views
A non-technical visualization of my database (a layman's ER Diagram?) [closed]
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 ...
1
vote
3answers
75 views
Truncating error bars in publication graph?
I am preparing a graph for publication: it has 3 panels, and two groups (line graphs) in each panel, with error bars at each time point.
For one of the panels, the last time point (with fewer ...
1
vote
1answer
99 views
Plotting predicted values in GLM in R
I am trying to find a more aesthetic way to present an interaction with a quadratic term in a logistic regression (categorisation of continuous variable is not appropriate).
For a simpler example I ...
11
votes
6answers
417 views
Graph for relationship between two ordinal variables
What is an appropriate graph to illustrate the relationship between two ordinal variables?
A few options I can think of:
Scatter plot with added random jitter to stop points hiding each other. ...
0
votes
0answers
19 views
ANOVA: dump data points instead of graphs [closed]
I want R to give me the points to use to make my own plots, rather than getting the plots that R creates. As I'm just a beginner with R, can you please tell me how to do this ?
2
votes
2answers
117 views
How to visualize counts of different categories
Suppose we have $10$ boxes and we are interested in measuring the number of apples, oranges and pears in each. What is a good way to visualize how the boxes relate to each other in terms of the ...
4
votes
2answers
128 views
How to best display crosstab data?
I have a 10x10 matrix composed of two variables with 10 brands each. One variable is the brand purchased, the other is the brand considered. My matrix shows a crosstabulation between the two. I need ...
1
vote
1answer
87 views
what do you call a pie chart with equal arcs but different areas
I want to create a pie chart for four items, the arc of the slices would be equal, each 90 degrees, however the areas would be different since I will shrink or enlarge the slice depending on the data. ...
1
vote
2answers
103 views
Interpreting graphs
I'm not sure what to ask so forgive me if this is a bit all over the place.
I've written a program to analyze the time it takes to query a data structure and generated a graph which shows on the Y ...
0
votes
1answer
44 views
How to plot t-distribution using javascript? [closed]
Is there a computational approximation for plotting the t-distribution in languages such as JavaScript?
I'd like the user to be able to specify the relevant parameters (e.g., df, one- vs. ...
5
votes
2answers
175 views
Plotting and presenting longitudinal data, options?
Hypothetical Scenario: A few continuous variables, each measured repeatedly at, say 12 time points, each with say, 150 observations. There are small fluctuations from one time point to another (i.e. ...
