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

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6 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
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1answer
28 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
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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: ...
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0answers
10 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: ...
0
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0answers
33 views

How to plot more than 6 shapes on ggplot in R? [on hold]

I have data that I would like to plot and use shapes to symbolise the data . In total I have 20 potential different pieces of data to be represented by shapes. e.g they are labeled such as R/Hand ...
1
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0answers
12 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
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2answers
87 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
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0answers
9 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
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1answer
18 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
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2answers
91 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
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4answers
171 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
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1answer
70 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
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1answer
27 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 ...
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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
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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
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2answers
56 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
48 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
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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
125 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
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0answers
25 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
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0answers
25 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 ...
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0answers
51 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
63 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
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2answers
54 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
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0answers
29 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
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3answers
74 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
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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
92 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
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0answers
23 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
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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
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0answers
20 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 ...
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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 ...
4
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1answer
123 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
46 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
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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 ...
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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
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0answers
26 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 ...
0
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0answers
12 views

Plot triple optimization boosting procedure

I am looking for a way to graph a triple optimization used in boosting. I did individual cross-validation on shrinkage, number of trees, and interaction depth and found the boundaries of interesting ...
4
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0answers
27 views

“Average” line over irregular log series data

I have simulation data from 1000 runs, plotting some measurable (in this case convergence of the algorithm) as a function of simulation time. Each run produces a discrete set of points ...
1
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1answer
40 views

y-axis length for LOWESS curve in Stata

I have a problem considering the length of the y-axis in a LOWESS plot in Stata. The y variable ranges from 0 to 50. I would like to run the LOWESS on all the data but only display the graph for the ...
3
votes
2answers
59 views

Best way to compare distributions with spikes

Following this question, I am interested on the best way to display four distributions with spikes. Indeed, I have four distributions with circa 75% of elements in it at the maximum value (1). I am ...
5
votes
3answers
386 views
2
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1answer
62 views

Plot two-dimensional Gaussian density function in MATLAB

I am learning ML. I have encountered a lot probability density functions. I want to use MATLAB to illustrate them. For example,the density function of the Normal distribution function in two ...
5
votes
1answer
159 views

How to transform an accuracy distribution for a violin plot

I am trying to find the best way to visualize different distributions of accuracy. Accuracy here is a value in the interval [0,1], 0 meaning not accurate, 1 maximum accuracy. I have different methods ...
14
votes
1answer
533 views

How to interpret a QQ plot

I am working with a small dataset (21 observations) and have the following normal QQ plot in R: Seeing that the plot does not support normality, what could I infer about the underlying ...
6
votes
4answers
178 views

Help to interpret an interaction plot?

I have trouble interpreting interaction plots when there is an interaction between the two independent variables. The following graphs are from this site: Here, $A$ and $B$ are the independent ...
0
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0answers
18 views

calculate returns for volatile time series

Background: I want to compare two trading strategies in term of profitability. The red one is an active trading strategy, which involves many entry and exit to a specific market. The blue one is a ...
2
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1answer
38 views

Is it possible to analyze a problem using graph if number of features is greater than 2?

By graphing, you can see if the data is linear or not, basically you can analyze the structure of your data easily and you can then decide which model to use. If you have, say, one feature, you can ...