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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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Plot a regression equation with mean standard error [on hold]

I would like to plot values from the image from a model regression, with R. eqn = function(x){ZZZ} curve(eqn, from=0, to=50, n=100)
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1answer
20 views

What does each cluster represent?

I have a dataset from a questionnaire with over 10000 rows and 30 variables. I am trying to have an insight of the data so I tried to cluster similar items. I first made a dimension reduction ...
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0answers
8 views

High Autocorrelation - Low Partial Autocorrelation Interpretation

According to the above autocorrelation plot, my time series reaches levels of 20% autocorrelation with certain lags. However, when I plot the autocorrelation and partial autocorrelation, I am ...
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3answers
72 views

Visualize binary trait distribution in two groups

I'd like to visualize the trait distribution within two groups (e.g. case and control) for paper i'm trying to prepare. The issue is that trait is binary (has only two state: "0" and "1"). My solution ...
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1answer
11 views

Shrink decision tree by shuffling order of attributes

I made a decision tree that classifies mushrooms in the UCI Mushroom dataset as either poisonous or edible based on their features. The model has a 100% accuracy on both the training and test set. ...
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0answers
11 views

Distribution Comparison on Multiple Dimensions in Python

I work as an analyst at a company that is in the midst of transitioning to more cloud-friendly tools. That means we've gone from using SAS/TD SQL (from my actual analyst days) to working with Python ...
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1answer
38 views

Independent and Identically distributed assumption in Maximum likelihood estimation

I was reading about Maximum likelihood estimation from various sources on the internet and I noticed that MLE makes an assumption about the data known as IID but I didn't completely understand why is ...
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0answers
14 views

How to visualize an individual tree from Weka RF output? [closed]

I have Weka 3.9 and I've run the Random Forest classifier on a dataset. I've enabled the setting to print the trees as output. Here is an example of what I'm getting: ...
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1answer
23 views

why p value = 0 in CV-ANOVA?

i am using SIMCA 13.0 to build a opls-da model. To validate the model,SIMCA perform ANalysis Of VAriance testing of Cross-Validated predictive residuals(CV-ANOVA).Then output a table(attached). In ...
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0answers
19 views

Sparkline type visualisation of demographics in papers (introducing new 'non-standard' visuals)

It seems typical to include only basic statistics on subject demographics within papers (i.e. mean, max and min). It seems to me that having a knowledge of the actual distribution would be provide ...
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0answers
27 views

Scatterplot bounded by parabola

I have frequency data for several variables. Each type can take on one of two variants: ...
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0answers
15 views

Questions about conducting Mixed-Design ANOVA in R

I have a dataset that includes one IV with 3 levels (group 1, group 2, and group 3) and a repeated DV (pre test score and post test score). I am using R, but I'm unsure what codes I should use to test ...
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1answer
53 views

What is the type of plot called?

Sorry for not being able to come up with a more specific title. I ran into this image and find it very intuitive. However, I have never seen anything similar. I would be interested to make similar ...
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0answers
17 views

Compact way of visualizing heat maps of correlated data

I am trying to visualise the correlation of the Result column with every other column. ...
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2answers
222 views

How to interpret a mosaic plot in R?

The mosaic plot shown bellow is the product of this code ...
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0answers
16 views

Why is Stata smothed hazard estimate pruned to interval?

I have played through this R example to calculate hazard estimates. I chased the whole thing through Stata and obtained a different graph, though. R graph: Stata graph: What's the rationale ...
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3answers
54 views

How to determine which distribution fits my data set?

I have this data set which I am trying to find which distribution my data set can be accurately represented by using r. I performed the Shapiro-Wilk test and found that my data does not come from a ...
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0answers
13 views

Exploring and analyzing date variables and address variables

I have a dataset that contains date variables, quantitative and qualitative predictor variables, and a binary dependent variable. The goal of my analysis is find the percent of success in CORRECT and ...
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2answers
47 views

What does a Diagonal Gaussian Distribution look like in 3 dimensions?

I was able to find https://brilliant.org/wiki/multivariate-normal-distribution/ and I am aware the the diagonal gaussian distribution is a special case where the only entries are on the diagonal, ...
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0answers
11 views

how to calculate the difference between multiple distribution(or frequency list)

Here is the scenario: I have a dataset, which contains list of data points, each point has F features(i.e. float numbers) and a category(there are C categories). I want to compare the difference of ...
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1answer
26 views

Algorithms for Graphs Clustering

Which methods is available for graph clustering? The most information by query "Graph clustering" concentrated on the finding set of nodes in the one large graph (or graph partition), but it isn't my ...
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2answers
26 views

How to find cutoff point in Logistics Regression using R

I have run a Logistics Regression model in my data set. Below is the code: ...
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1answer
48 views

How to partially compress domain of a scatter plot?

I am not sure where should I place this question. It is a more general question. My question is: I have scatter plot with 1 million points. I am using R to plot my data. When I plot my data points, ...
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0answers
17 views

How to apply Fuzzy clustering in R to products data of 0/1 values

I have data like that : you can donwload it here : https://drive.google.com/file/d/1n0qNi3G3SD0x_a1EAqF6tRwSwMLHdBgf/view?usp=sharing (App1 = Customer1) ...
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2answers
59 views

Deep Neural Network visualization on multi dimension datasets [closed]

I have seen the PlayGround of Tensorflow. But it is using only 2D values which means only 2 inputs are taken. I have 7 inputs and the output is only 1. See the datasets sample: ...
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1answer
27 views

How to perform specific queries in weather data time series [closed]

I have time series data from several weather stations located in a specific area. The readings include a timestamp, the humidity and the temperature. The resolution of the data is quite high, about 6 ...
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0answers
7 views

Finding Impact of IV on NPS of response to a survey [duplicate]

I have a dataset like this. Where the first column is the age of usage of product of a user (in days) and second column is the response of the user to the typical NPS survey question: Using these ...
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1answer
16 views

What is radius_mean() in this histogram [closed]

I was trying to plot a histogram for no of Malignant vs benign tumors. Here is the kaggle kernel I am practising from:https://www.kaggle.com/kanncaa1/basic-statistic-tutorial-for-beginners However, I ...
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0answers
22 views

Finding effect of a variable on NPS of a survey responses

I have a survey responses data. It has various columns, but one of the column is the age of the product usage by the user. The other column is the response given by the user on a 0-10 point scale as ...
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0answers
21 views

What are some good alternatives to a network diagram for data visualization? (preferably in R)

I'm working on a scoping review project that involves understanding how often different behavioral constructs (motivation, engagement, etc, based on standardized tests) are related to therapeutic ...
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0answers
15 views

What is the best way to plot an interaction, that accounts for other control variables?

Imagine that I'm interested in seeing if there is an interaction between hair colour and weight, as predictors of a person's speed, after accounting for height. How can I plot this interaction in a ...
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0answers
33 views

How can i plot a linear mixed model

i have constructed a mixed model for a nested design. i have attached it below: A researcher observes variation in wing size in a beetle species in South-America and wants to know whether wing size ...
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2answers
101 views

Is this a good plot?

I'm very new to Data Viz and R. I'm trying to understand how graphs are interpreted. Does the below graph look nice? What would you interpret looking at it? Would you consider there is a slight ...
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1answer
23 views

Concise way to visualize / compare many Gaussian mixtures

I have 5,000 samples drawn from each of approximately 50,000 distributions. I have good reason to expect most of them to be normally distributed, and I expect some of them to be multi-modal (mixture ...
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1answer
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1answer
35 views

Can you “reverse” an interaction plot and still interpret it?

I am interested in studying the interaction with a ordinal predictor p and continuous moderator m on an outcome y with a simple model of: y ~ p + m + p*m However, since my predictor is categorical, ...
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0answers
17 views

Visualisation of *Multiplicative* Contributions

There are many kinds of charts for visualising how a quantity (e.g. number of students in a class) may be broken up into small sub-categories (number of blue-eyed students, number of brown-eyed ...
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0answers
21 views

Visualizations not appearing in Tensorflow-PyCharm IDE [closed]

I am using PyCharm Community Edition and Python 3.7. Via Anaconda, I have installed the Tensorflow machine learning package. I am following the regression tutorial here, but I am getting limited ...
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0answers
17 views

How to visualize binary IVs in logit model simulation?

Hello guys and thank you for letting me join this community, I am working on a logit model and want to display my results with simulation (for clarification I am referring to the style of simulation ...
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1answer
33 views

What's the name for this type of graph/chart?

This is a type of chart that horizontally scrolls as new data appears. It's used to register the history across time of some data. Commonly used for monitoring as well.
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8 views

Probability Tree Visual

0 down vote favorite I have a probability tree with 128+ branches. Each branch in the tree is the combined success or failure of a product. I can visualize it as a tree in R but it is going to be ...
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1answer
59 views

When adding jitter a scatterplot for conveying information is appropriate

"Jittering" is adding a bit of random noise to scatterplots, to better see the information contained in the data, usually when there is a lot of overplotting. This overplotting can result from e.g. ...
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0answers
27 views

How would I plot a random effect model with categorical predictors in R?

I've run a random intercept model in the lmer package in R where I have a response (count data) as a function of a binary categorical variable with a random intercept of time, for repeated measures. I ...
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2answers
26 views

Choosing the right type of plot for my pandas dataframe

I have been confused because I don't know which type of plot I must choose. I have a data frame with two columns suppose the first one is the id of a person and the second one the number of houses ...
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0answers
47 views

Differences between t-SNE and SOM

I have some high dimensional data and I want to reduce it to 2 dimensions for visualization. The goal is to color the points in this 2D space to see whether there is any clustering due to different ...
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0answers
62 views

MASS{lda} plot in R [closed]

I'm reading the Introduction to statistical learning with R currently, but I blocked through a Lab about Discriminant analysis. So the thing is that we trying to fit a linear discriminant analysis ...
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1answer
18 views

Representing multiple categories and dynamic visualization on a chart [closed]

I'm currently dealing with a heavy set of data, and I'd love to see a way to represent the variations between each set. To give you a good idea of what I'm doing, I'm having a few methods that are ...
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1answer
23 views

How to visualize differences between groups based on category?

I have two datasets of schoolchildren performance by height in cm, one for each school. I was wondering how to best visualize how the differences in the performance between the schools vary by grade. ...
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0answers
17 views

Persistent Homology of High dimensional data

I'm new to Python (and to coding in general), so this question may be trivial. I need to compute persistent homology for a high dimensional dataset ( d ~ 1000) embedded in a vector space, but I'm ...
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0answers
12 views

Factor Graphs and Sum-Product Algorithm

I am trying to study Factor Graphs and the Sum-Product Algorithm. I'm having a hard time understanding what are these factors. For instance, when I see something like $$ f(x_1, x_2, x_3, x_4, x_5) = ...