Questions tagged [heatmap]

A heat map is a graphical representation of data where the individual values contained in a matrix are represented as colors.

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25 views

Calculation and Correlation with Pandas categorical attributes

I am trying to create the correlation heatmap matrix on a dataset with 4 features. One is numerical and the 3 other ones are categorical with multiclass. my coding is ...
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12 views

Population Data

I'm trying to creating a heatmap using Esri Arcgis but need to find a data set of the population within a 1-mile and 3-mile radius. Does anyone know if there is a free data set that I could use? ...
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18 views

How to display an Heat Map (using Tableau or other BI tool)?

I've a simple dataset: Id Longitude Latitude Value What can I obtain at the moment are "one map point" in every place.. Sum of Value don't affect "density" color. I would like to display a ...
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20 views

GradCAM heatmap all negative

I've fully trained the VGG16 model on my dataset, resulting in a 97% validation accuracy. I'm using the code from this github: https://github.com/PowerOfCreation/keras-grad-cam but for 2 of my 16 ...
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26 views

What should be the criteria to select features using correlation factors between features? [duplicate]

For the titanic dataset, I have done some feature engineering (one-hot encoded the features) and now I have developed a heatmap to view the correlation between different features. I'm not able to ...
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62 views

Changes in the standard Heatmap plot - symmetric bar colors, show only diagonal values, and column names at x,y axis ticks

I have a heatmap image (correlation between all matrix columns) and I'm straggling to preform all the changes below within the same image: bar colors should be symmetric around zero (e.g., ...
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211 views

How to fix “Centering cmap, with missing values (nan), on a seaborn heatmap”

I'm trying to plot a seaborn heatmap centered on 0. So I can see the divergence of the values on the positive and negative range. The problem is that near 0 the values change too smoothly, on the ...
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1answer
125 views

MSE vs Cross Entropy for training with facial landmark (pose) heatmaps

I am trying to reimplement the excellent paper https://github.com/1adrianb/face-alignment-training in tensorflow. I have successfully defined the network and downloaded the LSD3D-W dataset. I am ...
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Alternatives to Heat Maps for Communicating Daily Data

I am currently using the heat map below to communicate the number of messages sent on a messing platform over time. I don't think this is the most effective way to communicate the information as it's ...
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1k views

How to plot a heatmap-like plot for categorical features?

I would greatly appreciate let me know how to plot a heatmap-like plot for categorical features? In fact, based on this post, the association between categorical ...