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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0answers
6 views

Same data, different PACF? [R vs Stata]

So I was playing around with R, trying to figure out how to do basic time series stuff. Using the Box-Jenkins Series G ("airline passengers") data, I wanted to plot ACF and PACF. So here's my code: ...
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1answer
20 views

Formula for y axis in a plot in R [on hold]

How can one specify a formula for y-axis labels in a plot in R? I need to display exp(y) labels instead of raw y's. Is there a simple way to do that?
1
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1answer
26 views

How to plot the OR function along with the decision boundary of a Perceptron?

I've written a small program that predicts correctly the OR function output. The problem is that when I try to plot the decision boundary, I don't know what to do. Should I plot the final weights?. ...
0
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0answers
11 views

Correlation analysis and Clustering in R - Some suggestions [closed]

I have a biological data, comprising of intensity values associated to 24 masses. Each mass file has 10,000 intensity values corresponding to 10,000 coordinates. So, the data matrix in R would look ...
1
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0answers
64 views

How to detect different social groups in a small questionnaire dataset?

I work with a very small questionnaire dataset, in which perception of 10 respondents to the size of, say, an unseen population is quantified: The population is divided into eight sub-populations, and ...
1
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0answers
44 views

Predictive Probability Plot [on hold]

I am running an ordinal logit model with an interaction term (ologit DGoodIdea9B i.Frame1#i.SatisfactionYES i.Gender, or robust). I was advised to draw a predictive ...
0
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0answers
30 views

Plotting neural net decision boundaries

I'm trying to plot the decision boundaries created by a 3 layer, feedforward neural net over the input data. The network has 5 nodes in the input layer (including a bias node), 6 nodes in the hidden ...
1
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0answers
19 views

Visualising ECM model

I'm presenting an error correction model to a somewhat non-technical audience and want to make as much of the presentation as possible visual. Does anyone have any tips or hints that could be ...
0
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0answers
16 views

Effective way to graphically represent rates and the change in rates in Highcharts

So, for a little backstory: I'm using an API to aggregate information on around 400,000 League of Legends matches. Half of the matches are from before a certain patch which significantly changed some ...
3
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1answer
29 views

bar diagram or line diagram?

the population density of a country over 1950 to 2010 will have to represented by a suitable statistical diagram . which of the diagrams will be most suitable ? I have been given two options ...
0
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0answers
20 views

plot integer data on a log-log scale

I'm new to statistics, and this may be a very trivial problem. I have an array of sorted data: ...
1
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1answer
52 views

How to approach a regression problem? [closed]

I have to solve a regression problem involving 302 variables. How do we select appropriate models or ensemble of models to work well ? Does this decision of choosing models come from the ideas ...
2
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1answer
35 views

Explaining the steps of a visualization tool

this is my first post on CrossValidated. I've done, for academic purpose, a web tool doing this process: web scraping from various sites pre-process the responses (cleaning, error and redundance ...
1
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0answers
20 views

understanding and reporting results from monte-carlo simulation

I apologize upfront if the the question is vague. Basically I have results from monte carlo simulation and I'm trying to understand how to present the results and importantly the "why" part of the ...
1
vote
1answer
26 views

Identifying the border between two clusters?

I have three variables which I have graphed as a scatter plot. One for x, one for y, and one for whether the point is red or blue. There are clearly two clusters - one red cluster, and one blue ...
1
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0answers
27 views

Bland-Altman (Tukey Mean-Difference) plot for differing scales

I find that Bland-Altman plots for comparing two methods are extremely useful in assessing agreement. However, I'm curious if there is a similar method or transformation that can be used when the ...
1
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0answers
17 views

Secondary moderating effect in limited dependent variable models and graphical ilustration

As part of my research I am using a dynamic random effects discrete choice model. To make it more concrete, I am researching performance persistence with firm level data. I regress a limited ...
1
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0answers
16 views

How should a sparkline show small changes to large data values?

I've got a UI that uses sparklines to show trends. But in some situations, I've got a series of data points with values that start at some large number and increase slowly, such as: ...
2
votes
1answer
43 views

Community detection (graph clustering) of a weighted graph with node attribute (categorical or quantitative)

Consider a weighted graph having node attributes. Say the nodes are birds and the attribute could be either categorical (gender) or quantitative (number of feathers), i.e. similarly to this example. ...
4
votes
1answer
57 views

What is the reason for the shape of the volcano plot?

I use it in biostatistics. For example, why do genes (or any input value) with a larger absolute fold-change also tend to have a more significant p-Value? All volcano plots look like it, so I assume, ...
4
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3answers
202 views

What happens when I use gradient descent over a zero slope?

Let us assume my cost function such that its slope rises from point A at z=2 to B at z=4; stays constant till C at z=4; falls to D at z=1; rises to E at z=5. If I choose my starting point between ...
4
votes
1answer
102 views

What is the name of this kind of visualization, with arrows showing count of different subsets?

What is the name of this kind of visualization? It uses arrows to show the count of parts of the sample set of an experiment. This is from "Measuring Reproducibility in Computer Systems ...
1
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0answers
19 views

Visually Compare Different Sampling Methods [closed]

I am working on a project exploring results from a dataset, when using different sampling designs on that dataset. It is really fun thus far, and I have been learning a great deal of things especially ...
3
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1answer
41 views

How to show that outliers come disproportionately often from a particular group? (context: bibliometrics)

I got the following quandary and wondering if you have any thoughts on how to show/test it. I work with peer review data and notice that many of the most highly cited articles in my data were "first ...
0
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0answers
4 views

Tukey Graphing Problems in R [migrated]

I'm having trouble extracting and graphing a Tukey test that I did. I did a fairly basic one on an anova but I only want to plot the significant mean differences. When I use the plain ...
0
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0answers
29 views

Determining if data is normally distributed [duplicate]

I'm working on a case study where the number of phone calls (min = 0 calls and max = 10 calls) is measured every 30 seconds in a metro station. The experiment was done three times during on day where ...
0
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0answers
28 views

Interpretation of Multiple Change point results and graph for offline analysis in R

Using the changepoint R package to detect and estimate multiple change points with non-normality assumption for mean with the following codes ...
1
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0answers
18 views

What is the proper name for a Quantile Bar Chart?

What is the proper name for a Bar Chart plotting quantiles (like percentiles) in abscissa (X-axis) and a corresponding continuous variable in ordinate (Y-axis)? For example, if the chart is based on ...
2
votes
1answer
74 views

Is an auto-correlation plot suitable for determining at what point time series data has become random, and how does one interpret the plot?

A piece of research I am working on requires us to decide at what point time series data has become random. For what it is worth, the time sequence in question is a collection of in-process timings ...
1
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0answers
23 views

plot.gam versus visreg [closed]

I am trying to understand the difference between the two plots I see in the code below. Looking at the visreg manual pg 2 correctly and if the same applies to gam models, then visreg plots residuals, ...
-1
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1answer
20 views

Similarity measure for observations with many variable types

I'd like to do some exploratory data analysis using a 2d plot to demonstrate possible clustering of the subjects in a study. The subjects have many variables recorded, both quantitative and ...
2
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2answers
52 views

Average of a financial ratio: which average

A financial ratio, like e.g., return on equity (ROE) is a division of two numbers ROE=return/equity. If I analyse a whole sector then one can compute the ROE for each company in that sector and thus ...
0
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0answers
8 views

What are word components in IAM db3 for xml

I'm using the IAM handwritten database and for the answer keys I get the hierarchy, however I'm confused about word components in the the handwritten section. Specifically seeing something like this ...
0
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0answers
11 views

Representing error when there are multiple different, linked error sources

Suppose I make some measurements of variable $X_i$ in separate experiments, and each has some error. In a separate (single) experiment I measure $b$ which is independent of $X_i$ but shared between. ...
3
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3answers
128 views

What's a good way of graphically representing a very large number of paired datapoints?

In my field the usual way to plot paired data is as a series of thin sloping line segments, overlaying it with the median and CI of the median for the two groups: However, this sort of plot becomes ...
1
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1answer
55 views

Rule of thumb for using logarithmic scale

When I am given a variable, I usually decide wether to take its logarithm based on gut feeling. Usually I base it on its distribution - if it has long tail (like: salaries, GDP, ...) I use logarithm. ...
4
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0answers
53 views

How should I map real values to a Circos chart?

I have created a block model in networkx, against a Louvian best fit partitioning of a social graph. This model includes for each block model cluster: density number of edges number of nodes as ...
2
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2answers
63 views

How to best show effect size graphically

What is the best way to visually present effect sizes for multiple regression predictor variables? My research deals with home prices and the factors that influence price. I have transaction data ...
3
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4answers
71 views

How to plot algorithm runtime for huge input set?

Fo my bachelor thesis, I want to compare the runtime of two algorithms. The runtime is measured by letting these algorithms run for every value in a huge input set. This input set can be partitioned ...
0
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0answers
15 views

Stats for each tile of tile plot

I have a Probability of default obtained by regression on x & y variables. I need to plot a tile plot, with each tile showing the average PD and number of defaults in each tile. x and y are ...
0
votes
1answer
103 views

Correct name for waterfall chart with data point pairs showing net value per pair?

The chart illustrated below is an attempt to show a concept I'm looking to visualize. On each day I have two numbers I want to show - an increase (tasks assigned), and a decrease (tasks completed). I ...
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0answers
58 views

Peak heavy data filter

I am trying to replicate the motion of a measurement needle with a set radius crossing over a rough surface in order to measure the surface texture. How can I create a filter to replicate this motion ...
0
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0answers
16 views

Representing category names which are intersecting with mutually exclusive values diagramatically

I have groups labelled as cricket news, cricket news movies, business news, business getahead news etc. and a count associated with them . The count represents the sum of view count of distinct users ...
1
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1answer
47 views

Visualizing the trend of monthly change in a times-series year-over-year

I am interested in a better way to plot monthly changes in a time-series. Especially I'd like to compare how the monthly change this year differs from the monthly change last year. Monthly change is ...
1
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0answers
26 views

Techniques for plotting PCA projections in more than three dimensions

After running PCA on my data set, I noticed that using the three first eigenvectors, a separation between two different classes is still achievable (doing PCA on data from two classes). Unfortunately, ...
2
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0answers
15 views

Determining conversions with undeterministic data

Just a quick background on the process. We get a lead -> O(1) -> We phone the lead -> O(n) -> Lead converts The frequency of leads we get is ...
-1
votes
1answer
31 views

Is there a Tufte box set? [closed]

Apologies in advance that this is probably off topic and minutes away from being closed, but I couldn't think where else to ask and I hope you guys can help. I'd like to get hold of Edward Tufte's ...
1
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0answers
28 views

Plotting and interpreting residuals in Stata - How to identify a structural break?

I am researching firm level data with Stata 13. My endogenous variable is (unfortunately only) of binary nature and indicates whether a firm engaged in R&D activities or not (0;1). I use a panel ...
2
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0answers
34 views

At what point are options not “significant”?

For example, say there's a survey question with 500 possible answers (this isn't actually the case - it's not a survey, and there are far more than 500 options), and I want to display people's ...
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0answers
21 views

Font style for axis label and tick marks in 2-column article

What would normally be considered a good font style for respectively the axis labels and axis ticks for a figure used in a 2-column article as e.g. specified by the ACM Template? Is there any ...