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

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3
votes
1answer
132 views

Making sense of scatter plots

I had a recent question which I probably should re-formulate to a more general one. I came across this: Using scatter plots to understand multiple values of Y for a given X and thought the accepted ...
0
votes
0answers
10 views

e1071 svm queries regarding plot and tune

I am new to R and I am learning the e1071 packages' svm function. Following are the few questions I have. How does the plot function work? I cannot understand the plotting case with more than 2 ...
0
votes
0answers
4 views

Is there any way to manipulate the titles of a ctree plot? [migrated]

Is there any way to change the title sizes of a ctree plot? Use the following variables to quickly set up a ctree plot ...
1
vote
0answers
6 views

Labels missing in R likert plot [migrated]

I am trying to plot a simple likert graph. Somehow I am not able to set the value of legends. Can anyone please tell me how can I do that? The following is the ...
0
votes
0answers
4 views

Time in years(x axis) shows years in .5 interval - Time Series using R [migrated]

dsales1156ts<-ts(dsales1156,frequency=365,start=c(2011,6)) # This is my time series created with daily sales data when the first sale day is 6th January 2011. plot(dsales1156ts) The ...
0
votes
0answers
29 views

Time varying coefficient time series [on hold]

I have a data set which is the exchange rate of USD and GBP from 2007-01-07 to 2014-06-06. I used the derivatives of a probability density to estimated the optimal bandwidth h = 0.04071872. I want to ...
0
votes
0answers
15 views

Label positioning issues using R's base plotting system [on hold]

I would like to resolve label positioning issues in the plot shown below by using R's base plotting system. I realise that this question is in/directly related to a question asked at ...
3
votes
0answers
17 views

What are best practices for visualizing/selecting visualizations for continuous data?

There appear to be a large number of rules of thumb for histogram bin size and kernel selection for density plots. Are histograms and/or density plots really the best visualization for a single ...
0
votes
1answer
26 views

Negative density for non-negative variables [on hold]

Having an integer positive variable (number of days) in an experiment, I got negative values for the density plots using R. I have read other posts relating to this topic. They admitted that the ...
0
votes
0answers
21 views

Sharing a Legend between two combined ggplots [migrated]

I'm currently trying to present two time series using ggplot2, both with very different scales, using two ggplots. I've combined the two separate ggplots, one on top of the other, using ...
23
votes
3answers
2k views

What is your favorite statistical graph?

This is a favorite of mine This example is in a humorous vein (credit goes to a former professor of mine, Steven Gortmaker), but I am also interested in graphs that you feel beautifully capture and ...
0
votes
1answer
57 views

Visualize process data

I have a dataset of order processing with 8 million rows with following columns: HistoryId - Identity column of the records ...
2
votes
1answer
31 views

How to plot a comparison of read counts in R

I have a bunch of genetic read counts for different several genes. Each gene is divided into two groups (0 and 1). What I want to do is make a vertical plot side by side of the 0 group and the 1 ...
2
votes
1answer
39 views

VIsualizing the effect that only one predictor has on the outcome (R)

So I have performed a logistic regression on a data set with multiple predictors. I want to graphically represent the relationship between the outcome and only one of the predictors. What would be the ...
0
votes
0answers
7 views

Obtain resulting table to plot graphics in R [migrated]

I'm new with R in QGIS, I could write a simple script, and I want to obtain the table resulting, the table wich R uses to create the plot graphics. How can I do that? This is the script: ...
0
votes
0answers
11 views

Increase plot graphic details in R [migrated]

I'm new with R in QGIS, I could write a simple script, and I want to increase the detail of the plot. How can I do that? This is the script: ...
1
vote
0answers
16 views

Are there any time-series visualization tools available for HDF5 files?

I have gigabytes of time-series data stored in HDF5 files and while there is the very basic visualization tool available in HDFViewer, I'm interested in knowing if there are rich visualization ...
2
votes
2answers
89 views

How to visualize this data?

Here I have shown the first two lines of my data frame. It goes on for a number of lines. I am wanting to make plots to show what is happening over time . e.g a plot showing the sequence of grip ...
0
votes
0answers
10 views

Interpret an Expected Value of Sample Information graph

I am working on a model and I have calculated the EVPI, EVPPI and the EVSI. I need to interpret the graph of the Expected Value of Sample Information (EVSI), what should I say? The graph consists of ...
1
vote
1answer
19 views

Plotting Scatterplot Matrix or Correlation matrix or both?

I have a problem where I want to use a classifier for it. So I defined a set of features and created a dataset. Now I want to generate some plots to understand the features. I came across the ...
2
votes
2answers
97 views

How to visualize the comparison of 3 different types of distances among objects

I need to calculate the difference between six time series in three ways: Time Series are: Kamel, Dumper, Graben, Traktor, Generator Methods are: Euclidean distance, Manhattan distance and maximum ...
6
votes
4answers
180 views

Help creating a chart to show categorical data over time

The scenario: Over a course of 10 minutes 2 security guards patrol a floor and have their movement tracked. They can either be on the left or the right side of the floor, and within each side of the ...
1
vote
2answers
85 views

Forest plot for meta-analysis displaying the mean ES with and without outliers

I am conducting a meta-analysis and am trying to produce a forest plot displaying the mean weighted effect size with and without the outliers. I looked on so many websites and tried a lot of syntaxes, ...
3
votes
1answer
31 views

How to plot correlation coefficients from multiple regressions while leaving out some of the variables from the plot?

Lets say that I have "y" that I want to model with linear regression. "x" and "z" are the things I'm interrested in showing folks, but I also have things that I want to adjust for, but not really show ...
0
votes
0answers
8 views

custom axis labels plotting a forecast in R [migrated]

I'm trying to get some sensible labels on a forecast. Here's my code: ...
0
votes
0answers
1 views

Plotting date or time as x axis with ggplot [migrated]

My data is of the form: datetime, count 2011-01-01 00:00:00, 10 2011-01-01 01:00:00, 15 2011-01-01 02:00:00, 20 ... Using ggplot, I want to plot following 2 ...
5
votes
2answers
61 views

visualizing orientation (zenith and azimuth) data (e.g. with a circular or spherical histogram)?

I want to understand the distribution of orientation angles in a 3D image (represented as a triangular mesh). For each triangle in the image I have zenith ($\Theta$) and azimuth ($\phi$) And I ...
3
votes
1answer
53 views

What would be an effective strategy to correlate congressional attendance and precipitation?

I have data sets of the attendance of congresspeople, and of the weather in Washington, DC. I would like to examine whether and to what degree precipitation is correlated with the likelihood of ...
2
votes
1answer
52 views

Plotting a “ragged array” - a list of vectors in R [closed]

I have a list of numeric vectors, not necessarily all the same length. I'd like to get a plot where each vector in the list is plotted vertically above a label for that vector on the x-axis. Is ...
1
vote
2answers
42 views

How to visualize a lot (>1k) of time spans?

I want to graph some data, containing of an event ID and a date (minimum required resolution is one day). every event ID has multiple dates connected to it, so the min and max date give me a time ...
4
votes
1answer
129 views

How to visualize a range (min/med/max)?

I'm looking for a visually compelling yet immediately understandable way to visualize a range of data (min, median, max) Considerations: The approach should be understandable to a wide variety of ...
1
vote
1answer
26 views

How do I vizualize long tails of factor levels?

I have data with some factors, say, a list of music albums by different artists which are owned by me. I counted the unique factors to arrive at a list of artist names with an associated count of ...
1
vote
0answers
26 views

Representing a distance matrix in the plane [duplicate]

I've worked with observations as vectors with both continuous and categorical variables. In both cases one can use dimensionality reduction techniques such as PCA (in the latter case through ...
0
votes
0answers
28 views

Problem constructing model matrix to generate predicted values to plot Bayesian glmmBUGS output

My goal is to plot the predicted values generated from a Bayesian model using glmmBUGS run through R. I believe my problem stems from a lack of understanding in 1) how to properly construct a model ...
0
votes
0answers
52 views

Method for detecting anomalies in timeseries?

I am exploring creating alerts for anomalies in a timeseries. Say that I have a graph like this: There are two anomalies here that I would wanted to be alerted on: First, on April 7th with there ...
2
votes
1answer
68 views

I don't understand the figure output from package lme4 in R using the effects library?

I am using linear-mixed effect models to analyse my data (the interaction between on and arc; both ...
1
vote
2answers
65 views

Plotting the decision boundary of a kernel SVM (RBF)

Suppose we are given a training set of 2D points that are linearly non-separable. I train a binary SVM with an RBF kernel in order to classify them. What I want to do is to draw the desicion boundary. ...
0
votes
0answers
31 views

selecting the bins for extremely skewed data

I have a data that exhibits nearly a power law distribution, and I want to know a good binning technique to summarize the statistics. For example consider the following data: $$ \begin{array}{rr} ...
1
vote
3answers
76 views

Visualize effects of a regression with categorical explanatory variables (3 levels) in R?

Using R, I want to run a linear regression to estimate the abnormal return on days with positive, negative and neutral news (CLASS). I'm a beginner in R, as well as in using regression models! First ...
0
votes
1answer
22 views

Frequent Occurrence of Rotated Graph of Logistic Function

I have found that in much of the data that I am looking through, after sorting from largest to smallest, there is a pattern similar to a rotated logistic function. That is, it declines steeply along ...
8
votes
2answers
94 views

Is it wrong to use line plots for discrete data?

I've often seen discrete datasets plotted as line plots, but it occurs to me that the line infers a value at a point between the measurement intervals which is meaningless for discrete datasets. Is it ...
0
votes
0answers
24 views

Interpret the effect of factor in GAMM

this will probably look like a trivial question but I am having trouble explaining the difference between the output plots of two models I built. My data are disease counts on algae. I would like to ...
1
vote
2answers
77 views

Ways to understand 2-dimensional time-series data

I'm working on 2D time series data where two attributes are depth and temperature. When I plotted depth-vs-temp curve and saw its variation over time, the fluctuation occurs at few places only. I'm ...
2
votes
0answers
22 views

Contour lines by joining a set of 2D ordered points without line intersection

I was recommended on StackOverflow to ask this question here: for me it's dataviz question, but perhaps it's more algorithmic in nature. I have an ordered set of points in 2D, and would like to join ...
1
vote
0answers
24 views

How to visualize the effect of a regression parameter

I am arguing that I can control error vs. coverage by modifying a certain parameter. After running an experiment with leave-many-out validation I have a set of errors along with the parameter value ...
6
votes
2answers
142 views

Heteroskedasticity in residuals vs. fitted plot

I am testing whether price per ounce of beer (continuous variable, range of values mostly between 0.1 and 0.5 dollars) and the presence of promotion, advertisement, and display (all binary) have ...
2
votes
1answer
58 views

How can I 'dodge' the position of geom_point in ggplot2?

I am using ggplot2 in R to make plots like the following ones: The errorbars overlap with each other which look really messy. How can I separate the errorbars for different indices? I have used ...
0
votes
0answers
11 views

Finding Repeating Combinations

I have a table where Field1 = Name {John, Mark, Brian} and Field2 = Ball Color {Red, Orange, Yellow} Each person has 6 balls of different colors so for example ...
0
votes
0answers
21 views

Interpret matplotlib plot of decision boundaries

I've implemented a basic perceptron with a Heaviside activation function, and learned weights for a toy 2D data set with four instances. The training instances and their labels are the following, ...
2
votes
0answers
27 views

Good (2d) visualization of a mixture model clustering

I have a specific problem which I'm surprised I don't find answers on-line and I hope somebody here has a good suggestion for me. I'm working with a large data set which I'm clustering into specific ...