Presenting results in graphical form; for example, histograms, scatterplots, or boxplots.

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1
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0answers
14 views

Plotting fitted values for an nlme model

I just got the output of my lme (nlme) model called shalit5 with syntax: ...
2
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1answer
30 views

How to convert mean and standard deviation to a single meaningful and quantifiable value?

I look at mean and standard deviation of various map like data and each give meaningful information but sometimes they provide different information. For example, let's take states in a country. One ...
2
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0answers
67 views

How to get the regression from a plot?

I have a dependent variable C and an independent variable VPT. VPT is the average volume per ...
2
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1answer
52 views

plotting part of data using violin plot and the other part as stripchart (stripplot)

I an trying to plot 6 groups, in which 3 has a good amount of counts (ranging from 20 to 400) and the rest 3 have very small counts (1 to 9). I want to plot the distribution of a continuous variable ...
2
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2answers
47 views

How do we know which variables (X1,X2,…,X6) are affecting the outcomes (y)?

The data I am using are sales person data. The data contain six independent variables (six vulnerabilities) scored 1-20 and the output is win/loss of the deal. My question is how do we know which ...
0
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1answer
26 views

Why do we calculate Information value?

I have the data with categorical variables and continuous variables, but is the need for finding information value in explanatory data analysis. Just give the reason for why we are calculating the ...
1
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0answers
37 views

MPNet output to visualization

I've been using igraph and statnet to do most of my network analysis, but I am trying to replicate results that I use MPNet (an expansion to PNet) in order to perform some simulations on a multi-level ...
2
votes
1answer
90 views

Detecting heteroscedasticity - Can I use Breusch-Pagan Test on binary logistic regression?

I'm currently testing a (binary) logistic regression model, which seems to have at least some issues with multicollinearity. Now I don't really trust the data anymore and would like to also test it on ...
3
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1answer
39 views

What type of graphs can be used to show overlap between many sets?

I have a dataset with 90 different sets of GO terms (e.g. one set would be ("GO:0014075", "GO:0060742", "GO:2001238", "GO:0071478"). I want to plot the overlap between all of these groups. I don't ...
2
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1answer
65 views

What is this kind of graph called? (2D grid with a color-coded scale for a 3rd variable) [duplicate]

I keep running into these nice pictures: But I have no idea what they are called!
0
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0answers
36 views

Plotting ratios from x:1 to 1:x

I'm comparing the ratio of two measured variables as either 1:x or x:1, depending on which is higher. Absolute difference isn't so important, rather the proportion, that's why I'm trying this method. ...
2
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0answers
21 views

How do I check for variation of a distribution over spatial scales?

I have about 30000 particles distributed (not randomly) in space; I have their vector positions and velocities. I'm trying to characterize if and how the (underlying) velocity (magnitude) distribution ...
3
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1answer
38 views

Should plots for time series use a logarithmic scale for duration/time?

I was reading this tutorial on ggplot2 and was struck by a bit where it said that durations are typically best displayed along a logarithmic scale Is this an ...
2
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0answers
17 views

3D plot of the residual sum of squares in linear regression [migrated]

I'm trying to reproduce Figure 3.2 from the book Introduction to Statistical Learning. Figure describes 3D plot of the residual sum of squares (RSS) on the Advertising data, using ...
2
votes
0answers
59 views

My data lies on a linear plane

My purpose is to classify 3 classes from an EEG data. When I plotted my data on feature space in order to visualize, I found they lie on such a linear plane (please see my figures). Before plotting, I ...
0
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1answer
43 views

Good way to plot a variable between conditions with multiple measurements

I've a frame containing Participant----Condition----Duration Participant1,One,2000 Participant1,One,2780 Participant1,One,200 Participant2,Two,2000 Participant2,Two,2340 ...
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0answers
24 views

Variety of ways of reporting aged debt

I have been looking a different way to do reporting on Aging report customer Account balances (A/R balance). The A/R Balance is presented in terms of age of debt, to measure the total open ...
2
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0answers
28 views

Interaction term is insignificant but the interaction plot shows signs of signficance

So, I ran an ANOVA on a dataset which contains over 4500 data points. Without getting into too much detail, I was wondering if there is a simple explanation to this: The p-value for my interaction ...
0
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0answers
8 views

R plotting on a single figure [migrated]

The question I have to answer is: As an exploratory investigation, visualise the data in a set of pairs plots between the two response variables (ES and NS) and the 5 explanatory variables ...
0
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0answers
23 views

plot effects on glmer

I done a GLMM with the function glmer form lme4, the variable paternity is binomial (yes or no)(model<-glmer(paternity~factor1, factor 2 ....,family=binomial). My model run correctly, but after I ...
1
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0answers
22 views

Panel data visualization

Does anyone know how to graph changes in a dependent variable over time, based on changes in several independent variables (i.e., graphs for panel data regressions)?
0
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0answers
22 views

Plotting a timeseries in R as stacked bar [migrated]

I have a dataset that look like the following | SUBJECT | ACTION | DURATION | |---------|--------|----------| | 1 | A | 39,57 | | 1 | B | 1,48 | | 1 | B | ...
0
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1answer
46 views

Basic R script/package with lots of automated calculations [closed]

Does that exist? A basic R script or package that just needs the data, and it spits lots of “basic” statistics (like the mean, the median, quartiles, make a plot, a boxplot, a histogram, a cumulative ...
0
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1answer
67 views

R: plotting a prediction model and understanding results

I am experimenting with developing a linear model lmodel1 which predicts a temp response variable, given three independent ...
2
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4answers
111 views

Plotting averages when there are missing values

I have count data for a number of subjects in different groups I would like to compare. The averages of the cumulative sums are shown in the figure below. As you can see the Red group has a spike at ...
1
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1answer
27 views

Ploting classifiers' performance results for different datasets

I have five different data sets, and I applied five classifiers. I have also five performance evaluation metrics: precision, recall, F-measure, Accuracy, and AU-ROC. Is there any good plot that I can ...
2
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0answers
29 views

predict() in lmer regression, but I need it only 2 categories [migrated]

I am attempting to estimate a multilevel model. My code is: ...
10
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3answers
705 views

Best open source data visualization software to use with PowerPoint

Can any of you suggest to me the best open source data visualization software? My requirements are following Software can take input data from Microsoft Excel (Good to have feature to import data ...
1
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1answer
162 views

Visualizing large dataset with multiple subgroups

I have a large data frame in the following form (I apologize for this formatting): ...
4
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0answers
40 views

Visualizing many left-skewed distributions

I have a series of left-skewed/heavy tailed distributions that I would like to show. There are 42 distributions across three factors (labeled as A, ...
0
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0answers
39 views

Matlab - draw biplot on nonclassical MDS interpration?

How can I draw similar biplot like you can on PCA, so I could compare these two vizualization techniques / methods? I got dissimilarities and distances of my data in simple plot, but I would like it ...
1
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0answers
29 views

What are some classic examples of feature selection in classification?

Is there a classic example showing the importance of good feature selection in classification? The ideal example would be simple, and very easy to understand. I've been volunteered/instructed to put ...
3
votes
2answers
97 views

Is there a better way than side-by-side barplots to compare binned data from different series

I have a number histogram from a data source. I want to compare their distribution. For example series 2 is more to the right than series 1. Is there any good way to contrast besides plotting the ...
2
votes
0answers
50 views

Analyzing CART type trees in R--options for grouping results, formatting plots

I'm new to using CART trees, but have been asked to do so for a project I'm working on. I've had success running the scripts (from both RPART and PARTY packages) but I can't seem to get exactly what ...
1
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1answer
29 views

Normalized Variation of Information (NVI) visualization of distances to several references

I am using NVI (Normalized Variation of Information) to measure the quality of clustering obtained ( a family of them) compared to the Ground Truth and also to the result obtained with another method. ...
2
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0answers
18 views

plotting a main effect in the context of a significant interaction

I have a model that has two significant main effects and where the interaction between the two variables (age and %gray) is also significant in a multiple regression. When the interaction (age * ...
1
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0answers
59 views

Which graphs are best suited to visualize multiple pre- and post-test scores between multiple groups?

I have a relatively small sample ($N = 64$) with the following variables: ScoreA_I: continuous pre-test response variable ...
1
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0answers
42 views

PCA figure formatting options in R

I've completed PCA analysis, in R with VEGAN package, of some ecological data on tree health. There are 80 trees total (so, 80 'sites') divided into four treatment categories. I've got the data ...
1
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1answer
39 views

Dealing with guessing in multiple choice questionnaires

I just read this evaluation of a multiple-choice test. The second question of the test is a simple yes/no question which can obviously be guessed correctly with a certain probability. The analysis has ...
0
votes
2answers
66 views

Suggestion for Books on Visualization and Natural Language Processing

This graphic is due to Swami Chandrasekaran. I just started learning skills for data science recently. I have basics in R, Python, Statistics, Machine Learning. Now, I want to learn the ...
0
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0answers
24 views

Plotting Logistic Regression in R [migrated]

How can I plot the logistic regression? I would like to plot the dependent variable on the y-axis and independent on the x. I called the coefficients and got an output, so no errors on the script. ...
4
votes
1answer
158 views

What do you call a graph where you color a grid based on some measure?

I mean something like this chart showing the frequencies of a user's public contributions on GitHub. I really like this kind of chart, as I think that they display the intended data in a really ...
10
votes
4answers
432 views

How to best visualize differences in many proportions across three groups?

I'm trying to visually compare how three different news publications cover different topics (determined through an LDA topic model). I have two related methods for doing so, but have received lots of ...
4
votes
2answers
89 views

How to describe or visualize a multiple linear regression model

I'm trying to fit a multiple linear regression model to my data with couple of input parameters, say 3. \begin{align} F(x) &= Ax_1 + Bx_2 + Cx_3 + d \tag{i} \\ &\text{or} \\ F(x) &= ...
1
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1answer
57 views

How can I visualise overlapping time periods?

I want to draw a graph of sales over time. However, the time periods I have available to me overlap. For example: January 2012 to January 2013: 10 million April 2012 to April 2013: 12 million July ...
4
votes
2answers
54 views

What is the name of a plot of - log 10 of p values in multiple testing?

Under the null, the p-value is uniformly distributed between 0 and 1. Taking the negative of the log base 10 of many such p-values should follow an exponential distribution. You can show quantiles of ...
2
votes
0answers
102 views

How would you visualize a segmented funnel? (and could you do it with Python?)

I saw this post on Moz which presented a segmented marketing funnel: This kind of thing would have quite a bit of value in my job. What I have no idea is how to visualize raw data to show a ...
10
votes
2answers
262 views

What's the best way to visualize the effects of categories & their prevalence in logistic regression?

I need to present information about the main predictors of a candidate's votes using a public opinion survey data. I have run a logistic regression using all the variables that I care about, but I ...
4
votes
1answer
111 views

Time series prediction: visualising path uncertainty region

I am predicting a time series' future evolution and am evaluating the path uncertainty using bootstrapping. Is there a good way to visualise the uncertainty that goes beyond simply plotting a pair of ...
1
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0answers
29 views

How to visualize an interaction from a GLMM: use whole model to obtain predicted values or just factors in the interaction?

I need to plot an interaction between two continuous factors for interpretation. I am using the wireframe function in the lattice package and plotting the predicted values from the model with the best ...