Questions tagged [historgram]

a graphical representation, showing a visual impression of the distribution of data.

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Compare large prediction with observed values

I have test scores for a lot of schools and I created a performance index calculated using the last score of a state test. This index is supossed to predict the performance of the school in the next ...
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1answer
66 views

Histograms in Machine Learning

I have a large data set with over 100k samples and I want to predict a continuous target feature from 4 other continuous features using Scikit Learn. For this project, I would like to visualize and ...
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1answer
21 views

Why do histogram bars vanish when we keep the bins value high in matplotlib?

Also, the histogram bar widths are different on certain values of bin. How to keep the bar widths uniform? I have tried using the rwidth but that dos not solve my problem. Data: ...
2
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0answers
30 views

How to force histogram plots to have same axes?

I am comparing my trained model with other benchmark models with the error histogram but the axis of histogram is different for each method as shown in figure.For instance to plot the error histogram ...
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1answer
2k views

How to plot an histogram from a dictionary data?

This is my data which is recorded in a dictionary. A sample of my dictionary looks like this: (id-s:{id-des:value}) ...
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1answer
55 views

plot the histogram of purchases

i have a dataframe with 34154695 obs. in a dataset a Class variable with value 0 indicate "not purchased" and 1 indicate "purchase". ...
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1answer
11k views

Histogram plot with plt.hist()

I am a Python-Newbie and want to plot a list of values between -0.2 and 0.2. The list looks like this ...
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1answer
193 views

What is the best way to normalize histogram vectors to get distribution?

l have the following sample of 4 vectors of dimension 5 . They are sparse vectors, in a way that each value in a vector represent the frequency (number of occurrence of values). For instance v_1=[0,4,...
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1answer
185 views

How to better represent three sets of categorical data?

Given three set of data with categorical integer x-axis with the same range (0-10): ...