Questions tagged [historgram]

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

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3
votes
1answer
61 views

Re-sampling of a Histograms Bins

I would like to be able to resample a histograms bins without having access tot he raw data. And just to be clear, by resample, I mean to change the number of bins and still provide a good estimate ...
0
votes
0answers
4 views

the metric that can be used to characterize and compare different histogram

There is a set of different data set, each of which corresponds to a histogram. Are there any metrics that can be used to characterize the shape of each histogram, and further compare different ...
0
votes
0answers
11 views

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 ...
2
votes
1answer
304 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 ...
1
vote
1answer
27 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
votes
0answers
39 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 ...
0
votes
1answer
5k 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}) ...
1
vote
1answer
60 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". ...
3
votes
2answers
18k 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 ...
0
votes
1answer
204 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,...
1
vote
1answer
196 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): ...