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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4 views

time scale format for plotted time series is dependent on having > 189 points for weekly series [on hold]

If I create a weekly ts time series with <= 188 values in it and plot it I get a "fractional" labeled x axis: x <- ts(rnorm(188,0,1), frequency=52, start=c(2000,1)) plot(x) but if I create ...
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0answers
16 views

Which version of the Tukey mean-difference plot is more convenient?

I have a single parameter measured by two methods: A and B. I need to see how these two methods compare against each other, so ...
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0answers
7 views

Event Arrival visualisation

I have a streaming set of visualisations (time stamp of each event) which tend to be grouped when arriving at the queue. I was wondering if I could go from the graph at the top to the density graph ...
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0answers
12 views

Issue with reactive filtering on Shiny [on hold]

I'm new to this and hope that the community can help please. I'm trying to create a shiny app that reacts whenever the dateInput is changed. When the dateInput is changed, I would like it to filter ...
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0answers
12 views

Using predict() to plot glm (and glmm) with continuous and categorical explanatory variables

I want to visualize the output from my glm by plotting the predicted values, and found an example in the Mixed Effects Models book by Zuur (pg 216-219). The description of this code from the book is: ...
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3answers
104 views

A bar graph and its look - should I add titles, where should values go etc

I didn't use r but I have recently decided to use it to plot graphs because of its great capability to do so. 'd like to plot a graph that shows voter turnout in ...
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1answer
37 views

Debugging in R when using nls

How to correct a nls estimator when I get an error message that: step factor 0.000488281 reduced below 'minFactor' of 0.000976562 The full problem: ...
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1answer
62 views

Finding parameters of a given function

I have this following relation $$N = \dfrac{(113834700(3000-c)(1-e^{-(Xn)/(3000-c)})}{n}$$ I also have a set of values for $N$ and $X$, these are vectors. So, we have a scatter plot $N$ vs $X$. We ...
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0answers
28 views

Visualizing higher-order cross-moments (cokurtosis, coskewness)

Mean, variances, skewness, kurtosis can easily be illustrated in density plots: (Source: http://cvdsomayajulu.blogspot.de/2014/07/statistics-for-business-and-economics.html) The first cross-moment ...
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0answers
6 views

Plot individual(longitudinal ) trajectories of an lme model using nlme

I have a dataset with id, time(continious) and DFG. ...
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2answers
62 views

Why is the QQ Plot for Normal Distribution a Straight Line?

Pardon my basic question on this, but I could not find why the QQ Plot for normal distribution is a straight line. Also, according to the accepted answer here: Percentile vs quantile vs quartile ...
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0answers
24 views

How to plot a categorical variable from a GLM

How do you correctly plot results from a GLM used to test a categorical variable? Here is a reproducible example in R: ...
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0answers
27 views

Plots in R involving two categorical variables [migrated]

I have data containing v1<-sample(c( "A", "B","C","D"),100,replace=T) v2<-sample(c(0,1),100,replace=T) dta<-data.frame(cbind(v1,v2)) Both ...
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0answers
18 views

Correct mode to fit power law

I have a simple network and I'am trying to create the plot of the degree distribution. The question is: the fit_power_law function parameter must be degre (...
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0answers
15 views

data visualization methods to place markers along color gradient?

I have an online map created in Leaflet that shows train stops, connected by a line showing how late in minutes the train was to each station by a color gradient: I would like to create a separate ...
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1answer
38 views

Is there skew/kurtosis on this plot?

I'm doing a stats assignment and for one of the questions I need to make a judgement of whether there is skew and kurtosis from a p-p plot in SPSS. I've been over the lecture, and we were told to look ...
1
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1answer
17 views

Grouping data in a multiline chart mean + outliers

I have an existing multi-line graph that displays time series data about success percentages of nodes in a cluster in 5 minute intervals, there are more than 50 nodes in the cluster and the way this ...
2
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1answer
47 views

What is the name of this type of chart

I've tried searching Google/going through the D3 gallery to find the name of this type of chart, but I've had no luck so far. As far as I can see it is an area chart with both age and year plotted on ...
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3answers
59 views
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2answers
33 views

Is there any particular historic/socio-economic reason why the distribution of car ages at an auction site follows a bell curve?

Just analyzed the image names of automobiles in an auto auction sale archive and filtered the image names by the automobile's model year and counted the years' frequencies. I came up with the ...
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0answers
16 views

Interpreting boxplots [duplicate]

I am trying to interpret the three boxplots below in light of another plot before finalizing my glmer models (GLMM) in R. The boxplots below show the relationship ...
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0answers
19 views

Visualization of categorical data with too many categories

When dealing with data visualization, is it possible to produce a good graph from a table that has categorical data with too many levels and none of the levels have a reasonable amount of entries ...
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1answer
30 views

Reference for known issues with histograms (binning, anchor point)

I'm looking for references on the known issues that arise when working with histograms, i.e.: the choice of the number of bins, and the choice of the origin point. The WP entry on Multivariate kernel ...
3
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1answer
27 views

How do I chart ratios, not proportions?

How can I draw a chart for a ratio, not a proportion, when sometimes the ratio is infinity? Context: I am looking at prescribing of drug A and drug B. I have been drawing bar charts showing ...
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0answers
15 views

How to store a large graph? [closed]

When I try to develop a spelling collector, I realize if I can include the word background (etc:before and after word) into the bayes calculation, may be could increase this spelling collector ...
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0answers
15 views

Adding Title to Histogram in a Function [migrated]

I made a simple function to automatically plot all variables in a dataframe. Below is the code, ...
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0answers
10 views

A question about isoparametric clustering

I am reading this paper by Leo Grady and Eric L. Schwartz on Isoparametric Graph Partitioning: http://cns.bu.edu/~lgrady/grady2006isoperimetric_full.pdf On page 7, directly after equation (15), the ...
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1answer
19 views

Self Organizing Maps: How is the location computed and updated?

I have read other similar questions on here, but I am still unsure how SOM deals with the positions/locations of the neurons. Say that the input space is N-dimensional. I initalise some weights, and ...
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0answers
8 views

How do I interpret a timeline in Excel with a bad model fit

I am VERY unsure about statistics. I have a (probably) very basic question. I have plotted my data to see the development of my y-variable through time, but I am not sure how to interpret the results. ...
0
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1answer
112 views

How to visualize data averaged over ranks?

I have data from twelve experiments, with seven days and five animals on each. Based on the seven day mean of each animal's data, it is a assigned a rank from 1 to 5. I would like to combine the data ...
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0answers
32 views

How to create with R a scatterplot with a better sense of density? [closed]

I'd like to show this data in a meaningful way. With R: ...
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0answers
36 views

What do the four coloured areas of this p-value distribution actually represent? [duplicate]

The chart below shows a distribution of p-values (deep blue and orange areas) given by a data sample that deviates from the null hypothesis, while the grey and light orange areas represent the ...
3
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1answer
74 views

Is there a method to plot the output of a random forest in R?

Nice and simple. I've spent two hours googling, reading cross validated, and several r blogs to attempt to find a simple method of outputting the representative tree in R. I was attempting to ...
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0answers
16 views

Elementary data visualization topics?

I'm organizing a small seminar on data visualization, two months from now. This will be a half-day session for information professionals; participants will possess moderate technical skills, but will ...
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2answers
53 views

Histogram or box plot, to compare two distributions of means?

I've got two different distributions of participant reaction time means (20 data points for condition A, another 20 for condition B). I'm stuck trying to decide between using a histogram, or a box ...
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0answers
32 views

K - means clustering - visualize for multiple class

I clustered seperate dataset containing data from different classes. I want visualize all the clusters in one plot to see how much they overlap or if they even do overlap.
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0answers
16 views

Anova Profile Plot - Estimated Marginal Means understanding

I would like to ask you a question with regards to the Profile Plots generated by SPSS for 2x2 ANOVA (with balanced design). I have two Independent Variables, each one with 2 levels, and a Dependent ...
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2answers
48 views

Difference between local regression and moving average for smoothing

Typically, local regression (loess / lowess) is used to create smooth plots. Assuming the points are equidistant along the X axis, what's the advantage of using local regression compared to a simple ...
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0answers
15 views

regression analysis with independent categorical variables [duplicate]

I'm having problem regression. I have five independent (e.g. educational qualification (3 categories), religion (3 categories), gender (2 categories) etc.) variables which they are all in ...
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0answers
33 views

Is there a name for a differences versus differences plot?

I'm aware of the Bland–Altman plot where the differences between two measures of a given parameter (obtained with two different methods) are plotted against their averages. What I need to plot, are ...
6
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1answer
60 views

What does a wedge-like shape of the PCA plot indicate?

In their paper on autoencoders for text classification Hinton and Salakhutdinov demonstrated the plot produced by 2-dimensional LSA (which is closely related to PCA): . Applying PCA to absolutely ...
2
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1answer
99 views

Do asterisks representing significance in figures refer to the p-value or to the significance level?

In scientific papers there are asterisks representing the significance. Do these asterisks represent the significance level of the performed test or do they represent the obtained p-values? For ...
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0answers
12 views

Bird eye view of unknown data set [duplicate]

Pardon me if this question does not fit this site (or SE engine in general) but I do not know where to post it. Suppose that you have unknown data set which you want to explore. What ...
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0answers
36 views

Data Viz - Plotting Party Changes Over Time

I would like to make a plot of political party affiliation of municipalities over time. I would like to get something that looks like this in the end: It's a very volatile political scene, so I do ...
3
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1answer
19 views

Comparing effect of optimization on multiple runs with one variable

I have a problem with one variable (rounds) that affects the time it takes a program to solve it. For a given number of rounds I ...
2
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0answers
18 views

What is the motivation of unsupervised visualisation algorithms

I am having trouble getting my head around what we are really trying to do with our unsupervised visualisation algorithms. I can't help but look at common techniques like t-SNE, PCA, clustering etc.. ...
4
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1answer
73 views

Why aren't bivariate histogram matrices as common as scatter plot matrices

Bivariate histogram matrices give me intuition which categorical variables are related to one another. For example: I can easily see which variables are related to one another. Indeed, this ...
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0answers
26 views

How to represent a relationship between physical map and linkage map of a sequenced data?

I have a strutured family (parental, F1 and F2) that was sequenced and aligned agains the reference genome. I did a linkage map using r/onemap (CRAN) to check the recombination fraction of the markers ...
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0answers
32 views

How would you best visualize data that fits into many categories?

https://public.tableau.com/shared/T22HDMQ44?:display_count=yes So I'm visualizing my Steam game play information and I have access to the tags and features of games along with prices and hours spent ...