Questions tagged [data-visualization]

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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8 views

Can I learn something from data that is not very well sorted in the domain?

I have an application in which I produced some parts varying 4 parameters (in1 ... in4), and I'd like to analyze their influence in 2 output parameters (A and B). The problem is that the parameters ...
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Is there a way to create a Kaplan Meier curve with multiple events, rather than one occurrence?

Thanks in advance for any advice regarding my question. I have KM curves created for probability of (not) getting an infection within our patient population. I am wondering if there is a way to ...
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What do I do when my model prediction exceeds the limit of 100%?

I have plotted the effects of a model glm( A ~ B, family=poisson, data=data) both with the sjplot R package and with the ...
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How to find whether the time series is seasonal and to find the period of seasonality if seasonal?

I need to find my time series data whether it is seasonal or not. My actual time series plot is shown below, The data is of irregular hourly data from January 1st of 2018 to August 1st of 2018. ...
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How to start a research in M.L? [on hold]

Lately I've been wondering about research in Machine Learning but doesn't have a single clue of where to start. Any suggestions?
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How to plot the EOC of a Non Linear Activati

I was trying to replicate this plot as shown in the paper: https://arxiv.org/abs/1802.09979 The plot: The paper describes the formulation of how to obtain this graph for a non-linear activation ...
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1answer
21 views

Problem regarding visualizing high dimensional data using PCA

I have 10000 samples, each of which has 100 features. To visualize this high dimensional sample, I use 2 component PCA. Here is a the result: Here, results are colored based on a target value for ...
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How to plot empirical densities in the same graphic(with same dimensional as it were plotted alone) [migrated]

I'm plotting 5 densities in the same graphic, one of them from normal distribution and the others are empirical. When I plot individually, the densities has the right shape, but when I plot together (...
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What is this type of plot called?

Often times in simulation studies, we need to display the various settings in a coherent, well-organized way. I came about such a plot This plot displays 5 characteristics which were varied for a ...
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1answer
22 views

How to suppress plotting axes in pROC package in r [closed]

I'm using the pROC package and randomForest package to make an ROC plot in R. Its looking good but I can't seem to suppress plotting the top and right axes to make it APA style. Obviously the ...
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How to superimpose rotated histograms and/or bell curves on the side of a scatterplot [closed]

Does anyone know how to superimpose a rotated density plot and/or histogram on the right-hand-side of a scatter plot? I'm agnostic about what software could be used to do this...ideally it would be <...
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How to add tickmarks to PlotProb fundtion in MSwM package?

I would like to add more tick marks to my probability plot. How do I do that? minor.tick() and axis() does not seem to work with the PlotProb() function. I would like to add additional tick marks ...
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1answer
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Non-Linear probability scale (y-axis)

Very new to stats so excuse me if my terminology is wrong. Hi, trying to plot a log probability plot and don't know the equation to use to generate the y axis. With 50% mean I am trying to achieve ...
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1answer
20 views

How to crawl and visualize historical twitter data?

I am new to the field and trying to get some data from twitter for learning purposes, data visualization to be specific. I want to see how the count of a certain topic (e.g. #WeTheNorth) changed over ...
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75 views

How to interpret this PCA plot?

Legend: Each point represents a trial. The circles and pluses represent two different conditions of the experiment. Each color represents a different subject. We used five variables. There are 20 ...
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1answer
36 views

How would you graph fiscal year data together with calendar year data?

I have two datasets resembling the toy example below: ...
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1answer
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How to “mirror” PCA results [closed]

I have a practical visual problem. I would like to mirror the results of the PCA. In other words, everything that is on the left should go to the right and vice-versa. In my current graph, PCA 1 (see ...
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Can ResNet be translated to a DAG?

I'm lookng for ways to visualize progress in a convolutional neural network (CNN), in my particular case ResNet 16 I've been reading an article about CNNVis which gives one approach but will only ...
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Plots and Subplots in R [migrated]

There is this figure in an economics paper: I want to style my plots just like these -- with invisible top axis, Y-axis values on the right hand side, axis labels on the top of it and aligned ...
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1answer
83 views

How to Illustrate Relationship between Adjusted Variable and Variable of Interest

I'll give an example. In a simple correlation, blood pressure is associated with body fat. However, I want to adjust %body fat for age and sex. So, in SAS, PROC CORR I use age and sex as partial ...
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What is the correct name for the chart in the Network tab of browser developer tools

I'm finding it difficult to find resources for this type of chart because the terms refer to other chart types. It is labelled Waterfall, but https://en.wikipedia.org/wiki/Waterfall_chart and https://...
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1answer
12 views

statistical tests for average data

I'm working on visualising for some data set. I was going to run some statistical tests on the data set, but I'm not sure if I can run some tests or not. I'm sorry that I cannot put the data set here. ...
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1answer
21 views

Visualising 2 Independent Variables and 1 Dependent Variable

I'm trying to come up with the best way to graphically display misfits from multiple geophysical inversion runs, where I am fixing two independent variables and analysing the misfit of each test. For ...
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What would be the mirror equation of a Brier curve?

The Brier equation gives a right skewed humped curve (i.e. long left tail and right skew to the curve),given by the equation y = q*X (X - Xnot) * sqrt(Xmax - X). I ...
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What does this graphs mean in linear regression? [duplicate]

I don't know how to interpret these graphs. Is model well fitted? And how to analyze Cook's dist Vs Leverage plot? I would be very grateful for help. Linear regresssion model shows dependence ...
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1answer
28 views

What type of graphic will be suitable for 3 continuous vs 1 categorical variable [closed]

I want to create a graphic to explore relationship between 3 continuous and 1 categorical variable. I have 2 different examples I want to investigate. 1- the numeric variables are num of bedrooms ...
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48 views

Visualizing correlation between the answers of a multiple-choice question

I have created a multiple-choice poll that asks respondents to select their favourite movie genres. The poll is very basic, it lists various movie genres by name - drama, sci-fi, action, etc. - and ...
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30 views

Violinplot vs. permutation importance: interpreting differences

I'm analyzing the Titanic dataset, and I've been trying to understand the predictive power of the Age feature relative to passenger survival. My intuition is that younger people had a higher chance to ...
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3answers
72 views

How to visualize an evolution of a distribution in time?

Suppose you have a record of distribution for each day in some period. For example, some distribution which depends on a parameter which evolves over time. Suppose we have dozens or hundreds of days. ...
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1answer
22 views

How to plot paired data that has small deviations?

I am showing that applying a certain method leads to improved performance on a machine learning problem, and that this effect is consistent across different datasets (in this case, datasets collected ...
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1answer
45 views

Are barplots appropriate for showing means?

My data are differences of two values. I try to show the data with points (two per "x-axis-value") and their mean as bars. See here: I feel that bars could be misleading insofar as they imply a ...
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30 views

How to determine bang-for-buck apart from just $/TB

Firstly, I'm no expert on statistics or any of the fancy jargon so please pardon my ignorance and use of layman terms! Also, forgive me if this is not the right forum to post my question. So I've ...
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23 views

Kaplan-Meier plots in R [closed]

I have generated the following clusters. Now I want to compare 3 groups in terms of survival. I am wondering how to create 3 groups based on "scores" and draw KM plot. Codes: ...
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1answer
52 views

Visualizing positive, negative and neutral in 2D?

Overview: The campus I work for has a website that students can use to vote how they feel in terms of comfort in a particular room. The options the students have when logged into the site are : Cold, ...
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1answer
39 views

Data visualization on original or transformed data?

I have a data set with two independent variables (species and life-stage) and one dependent variable (concentration of a protein). There are 5 replicates within each level (please see table below). I ...
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Changing axes of triangular coordinate planes

Consider a triangular coordinate plane like this: With all three axes in percentage form the readability of the graph is very intuitive, we can trace the gridlines and find the corresponding ...
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1answer
59 views

Appropriate way to visualize significance in 2x3 contingency table using mosaic plot

I've checked multiple threads about handling or visualizing contingency tables, but can't find one that can help my current question. I have a 2x3 contingency table: "group" variable has 3 levels not ...
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1answer
36 views

A better way of visualizing extreme oscillation curve in matplotlib? [closed]

Here are three curves. I'm training a model and trying to plot the training loss curve; the x-axis is iterations and the y-axis is loss value: All the curves contain many spikes and noises. I'm ...
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Visualizing speed and acceleration of typing (smartphone keyboard)

I have a dataset of smartphone keyboard recordings. Each sample consists of the pressed key on the keyboard (e.g. 'a') and the timestamp. From this data I can compute the speed of typing (speed ...
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1answer
32 views

What is the best way to reperesent this data (R)?

I am trying to show the correlations between life expectancy age and state pension age for men and women, per country. I have the following data here (working example): ...
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1answer
73 views

How to visualize proximity score in Random Forests

For a Random Forest, we can construct a N x N (where N is the number of data points) proximity matrix ...
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3answers
132 views

Python: “Normalizing” kde, so it always lines up with histogram

In Python, I am attempting to find a way to plot/rescale kde's so that they match up with the histograms of the data that they are fitted to: The above is a nice example of what I am going for, but ...
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Finding best kernel parameters in support vector machines

I am following this tutorial: https://www.analyticsvidhya.com/blog/2017/09/understaing-support-vector-machine-example-code/ , proposing an application of support vector machine to the well known Iris ...
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25 views

Concise overview of prototypical distributions

[This question is mainly a reference request.] I'm searching for a somehow concise and complete table of prototypical distributions that would allow a test person to easily choose which typical ...
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3answers
43 views

How can we plot the predictions of logistic regression model in order to see whether it is good?

I am working on a basic problem that requires developing a logistic regression model (the output is True/False, whether a person gets cancer). I have used glm() in R and got the model with some ...
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1answer
23 views

Positioning multivariate data in a 2-dimensional space (with PCA)

I have multidimensional data. (11 columns - attributes , 150K rows - number of data). It is slightly sparse-alike data, for example, which means one datum has numeric values like (0, 0, 6.5, 0, 0, 7.5,...
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1answer
86 views

Jaccard Similarity with Binary Data

I have 5400 rows of data and 3211 columns of attributes. The first 4 columns are ID/Name/ParentID/ObjectType - the rest of the 3207 columns are the attributes that are to be used for similarity ...
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1answer
84 views

Interpretation of standardized (z-score rescaled) linear model coefficients

I have analyzed some data on vegetation change as a function of change in soil parameters. I compared a dataset from 2001 with a dataset from 2018 (fully balanced). To investigate the change in ...
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1answer
23 views

Visualize cross over interaction logistic regression categorical variable in R

I have performed a logistic regression with the following variables: X: Categorical with three levels (St, An, Int) M: Moderator, which has two levels (Mob,Desk) Y: Dichotomous dependent variable (0/...
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1answer
50 views

When to stack histograms?

I'm working on a personal data analysis project, and I'm comparing the frequency count of survivors of a particular natural disaster, between males and females. I want to use these histogram(s) to ...