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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19 views

What is the name of figure where the fitted curve becomes the straight center line (figure in description)?

There's a figure attached to this post. The left hand side of the figure shows a graph with a polynomial fitting the data. The right hand side shows the same data plotted on a different scale but ...
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2answers
21 views

Is it better to look at ECDFs than PDFs when exploring empirical sample distributions?

I know that when plotting CDFs, ECDFs, or PDFs by using finite samples, we must be doing some form of interpolation. As far as I guess, empirical cumulative density functions (ECDFs) perform linear ...
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0answers
15 views

Data visualization for segments in a grid?

I'm working on a segmentation of individuals who have particular purchase behaviors. The net result is a set of 20 segments of people based on their consumption levels across two axes. An example ...
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0answers
33 views

Logistic regression Effect using R, moderation plot

So, im in a bit of trouble here. I am using R (i'm very new at this), and i'm trying to plot the probability effects of a interaction effect, using the effects package. This is what the plot shows ...
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0answers
17 views

how to plot a binomial glmer with two binomial predictors?

I have a response variable called Percieved Personality (responsible-sympathetic) predicted by Birth Order (Firstborn-Laterborn) interacting with Sex (Male-Female), with 2 random effects. I just want ...
3
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1answer
39 views

Normalise X/Y coordinates to stop jitter

Disclaimer: I am a programmer by trade, not a statistician, so please cater to my ignorance and I apologize now if I make any incorrect assumptions Please consider the following problem: I am using ...
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0answers
21 views

Question about probability modelling only for Google Analytic users [closed]

I've used this free super quick and easy Regression Analysis tool for Google Analytics called SuperBrain Modeler. It seems to calculate the r-value correctly, but for me it seems the probability ...
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0answers
5 views

Cannot use ylab2 value to change y axis label in plot.mixEM [closed]

I am new to R and hopefully this will just be an easy/stupid question. I am using the mixtools package to define a bimodal distribution and create a "cutoff". The package does this easily and I am ...
1
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1answer
24 views

How to choose the right colour palette for plots with lots of variables?

I am using R to generate several plots which will have 31 different variables grouped into 17 groups. Unfortunately I found out that default's ggplot's colour palette with evenly spaced hues (which ...
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0answers
13 views

What does y * dy mean in this context of a time series graph?

I'm trying to smoothen a time series plot to derive cycle times of a machine. Y-axis is total power output, x-axis is time(s). My first data manipulation is that I find dy between each measurement ...
1
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0answers
12 views

Mixing types of Interpolation while Displaying Data

We have a piece of in-house software for pulling data out of our system and displaying it. It can do this at the resolution of the data, aggregate it up to a lower resolution or down to a higher ...
0
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1answer
20 views

How to draw a conditional distribution graph for B given A

Below is a frequency table which has data for testing a theory that students who speak a foreign language are also strong mathematics students. The question says to draw a graph showing conditional ...
1
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1answer
14 views

R: Visualizing accuracy (inter-rater) on continuous data

Please excuse my english, I'm not a native speaker. So I'm running a test-retest scenario to determine accuracy of my measurements of continuous data (angles [deg] and length [mm]). I've calculated "...
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0answers
4 views

Reverse the scale of the x axis in a plot [migrated]

I have created a plot in R and my own custom x and y axes. I would like the x axis to be displayed in a reverse order (1-0 by -.02). I have read numerous posts and threads that suggest using xlim and ...
4
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3answers
63 views

Match Quality Graph

There's a Forbes article about student-college match quality that contains an interesting graph based on a working paper by Eleanor Dillon and Jeff Smith. The description reads: The chart below, ...
1
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0answers
15 views

Cycle detection of a time series graph (y axis power) - machine productive cycle vs idle times

I'm fairly new to data analysis so I'm not exactly sure on how to approach this problem. I have obtained data output from an industrial machine which has 2 states - productive and idle. The productive ...
1
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0answers
21 views

How to convert standardized line graphs into a function?

I have graphed revenues from 4 different products of the same variety (ie. four different movies and the revenues they brought in). The axes are: x is the weeks and y is the revenues; with the lines ...
1
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1answer
34 views

Is it possible to create a SURFACE PLOT with this dataset?

I am new at software programming and I am starting to program some 3D graphs. I have this dataset ...
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0answers
6 views

plot graphics result for example association rules via “aruleViz” from java code using Rserve [migrated]

I have written an R function, that connect to database, fetch some records, obtain association rule of the object via arules library and plot the rules using ...
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0answers
13 views

How can we make a correlation plot in R for correlation table data not for correlation matrix data? [closed]

How can we make a correlation plot in R for correlation table data not for correlation matrix data? like the the picture below(which has been published in ecology)
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1answer
55 views

Streaming data input in artificial neural network

Suppose we have continuous stream of data which length we cannot predict and discretize. Is there a type of neural network that can hold this stream and makes output based on the information stored in ...
1
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0answers
36 views

How do I plot a moderated mediation (SPSS/Excel)? [closed]

I am currently researching the relationship between social media (IV) and body dissatisfaction (DV) in adolescent women, mediated by processes of Social Comparison (M). In my thesis, this mediation (...
2
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1answer
51 views

Graphical verification of Weibull distribution

I want to verify whether Weibull is a good candidate for my distribution in survival analysis. So I plot log(t) vs log(-log(Kaplan-Meier). But instead of two lines, I get plot where the lines are ...
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0answers
3 views

How to plot the forecasted values against actual values observed later in R? [migrated]

We used the R library forecast to make predictions for the next 24 hours. We have the following: ...
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0answers
24 views

Can I use a violin plot to visualize logistic regression results (predicted probabilities)?

I have a simple study in which I predicted the likelihood of an outcome as a function of a two-level grouping variable. Now I'd like to display these results in a graph. Initially I was thinking of ...
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0answers
6 views

Sort or cluster experimental 2D data crossplots with respect to common shape/model

I have a quantity of tabular data, let us say $E=200$ experiments, and $V=20$ variables (all positives). I am trying to find EDA-like dependencies or "correlations" between some of the variables, at ...
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0answers
43 views

Visualization of multiclass multivariate data

What are the practical ways to visualize multiclass multivariate data? For example data with 10-class, 649-dimension.
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0answers
3 views

manipulate text edge labels ctree [migrated]

Got a ctree with four labels, but the categories are long text therefore just the first is shown. ...
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1answer
34 views

R, glmer(), plot bootstrapped CI in graph

Using the glmer() function in the LME4-library in R I computed logistic models, of the form: Y ~ cat1 * cont1 + (1|Subject) where, obviously, Y is the binomial outcome variable (0 or 1), cat1 is a ...
5
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1answer
73 views

Error bars on bar graphs: Is reporting confidence intervals really better than reporting standard errors of the means?

I have heard this advice repeatedly however recently when I was looking at my own graph with CIs I had a panic attack because the error bars overlapped, yet my analysis told me the difference between ...
-1
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0answers
25 views

How to represent a three variable formula in Excel?

I am using Excel, and I would like to visualize or in some way examine and display in as simple a way as possible how a three variable formula changes by manipulating each variable. The formula can be:...
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0answers
11 views

Directed graph algorithm

Say I have the following graph: ...
0
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1answer
16 views

Optimal cut-off point with minimum sensitivity

I have a logistic regression model. I'm looking for a non-graphical way to find the optimal cut-off where sensitivity is above a threshold(say 0.95) and maximizes sensitivity+specificity. I don't have ...
0
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0answers
14 views

How to best plot and chart imputed data?

Multiple imputation is not yet a widespread technique, so there are not many guidelines yet on how to conduct and present reasearch using multiply imputed datasets. One aspect is graphics. How would ...
0
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1answer
23 views

How to visualize regression features?

In classification, if I take 2 features and color them according to label, I obtain a plot like this, which gives intuition about the effectiveness of my features. How can I do a similar plot for ...
3
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0answers
23 views

Color scheme for histogram and curve comparisions?

I'm making a comparison between the model I build and the data (empirical distribution), using various plots, like this: Histogram and probability densiti function (PDF) CDF CDF at different axis ...
1
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0answers
33 views

Is the data visualization a sufficient indication for the separability of the data? What are the other indications of the data separation?

In other words, let's say we have a data representation as in the image below, which is generated from the PCA, the projection of the data onto the first two PCs. As it's shown in the 2-D space, the ...
1
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0answers
34 views

Help interpreting plot.gam in R (gamm4)

I'm not sure this question is better suited for Cross Validated or Stack Overflow, please don't hesitate to tell me if I ask it on the wrong forum. I'd appreciate some help interpreting what shows the ...
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0answers
29 views

How to plot logit interaction logistic regression

How can you plot the logits of a logistic regression to show an interaction effect? My variables are all significant constant: -1.12 technological diversity B= .99 expB=2.69 Involvement B=1.16 expB=...
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0answers
13 views

How to find frequency of string data on repeated cross section using STATA?

So I am looking at a dataset for auctions. I have all the bidders who won something, and how much they bid. This auction takes place every year. I wanna see if the same people come back every year to ...
3
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1answer
174 views

Making a heatmap understandable when printed in black ink

What are some good ways to make a heatmap understandable when printed in black ink? (without having to butcher the color version too much, as some reader might have some color printer, or read on the ...
0
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1answer
28 views

Need a comparison method to compare original data values and data values derived from a method

I have a gene expression dataset for which I have the original data values and I have put this dataset through a few methods to test their accuracy of prediction. I need to compare the results from ...
1
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0answers
40 views

How to Graph Moderation Effects on SPSS

I am conducting an independent research but am completely stuck on how to visualize my data. So I am looking for a moderation effect of peer sociometrics (ex. negative nominations, social preference)...
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0answers
47 views

Plot large high dimensional dataset

I have a high dimensional dataset (12 variables) with 42000 observations. I made a clustering and I found evidence that made me choose five clusters. So I want to plot my dataset with some tool to ...
0
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1answer
48 views

Using Linear Regression on text data

Im trying to create a model that predicts an authors age. Im using (Nguyen et al,2011) as my basis. Using a Bag of Words Model I count the occurences of words per Document (which are Posts from ...
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0answers
4 views

Analysis to show averages for more each year of exposure to a treatment does not shift the averages toward an expected average

I apologize if there is appropriate terminology I should be using in my description that I do not know. Hopefully the way I've made my question generic for the sake of preserving the integrity of my ...