Questions tagged [historgram]

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

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31 views

CDF plot overlay histogram in python

I have a dataframe called df['ProgressStep'] I would like to get overlaid CDF plot in histogram. Have tried 2 methods, neither one meet my target perfectly. please help to fine tune the code, either ...
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11 views

Multi-modal histogram and real-world measurements

I have a histogram of real-world measurements of the wind speed at a given site. There are many 0's in the dataset, presumably because the wind was far to gentle to trigger the sensor into reading ...
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20 views

Can the same data set (dynamic) be described as Chaotic & Pareto?

I'm trying to abstract the mathematical part of the problem as much as possible before the details follow, There's this dynamic data set that's $O(2^{32})$, a recent result described it as a power-law ...
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23 views

How to evaluate KDE against histogram?

I am currently testing some approaches for density estimation, and I think the basic approach of histograms may not be the best option to me and KDE is certainly a good alternative to go. While ago I ...
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11 views

Getting different visualization results for jupiter and datacamp existing code shell. How to solve this? [closed]

The left one image is in jupiter notebook and the right one is from datacamp exercises. Can anyone please let me know why I am getting different results in Jupiter? Used hacker statistics to calculate ...
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0answers
16 views

Triplet optimization producing a weird diagonal line?

I'm pretty sure this is the right forum for this, or let me know otherwise, I'll happily move this to a better place. I have a strange problem. I've written an algorithm designed to take three files ...
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30 views

What is the difference between HLC (Histogram of local features) , CSS ( color self-similarity) ans MDST (Max DisSimilarity of Different Templates)

I'm new to computer vision and have been researching for Master thesis purposes in Detection algorithms and the techniques used in each. As I arrived to the point where alot of papers showed the ...
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1answer
18 views

Histogram indicating 20~25% in a certain range

This is a histogram of speeds of certain ships drawn to the density scale: I was told that the percent of speeds in the [17, 18) range is between 20 and 25, but I believe it's between 30 and 50. Can ...
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1answer
95 views

Generating the right target for an LSTM model

Trying to explain my question on a simplified data set. Having the following dataset: ...
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0answers
14 views

Histogram with financial (decimal) amounts vs. normal numeric

Take the following historgram data: This is an item of "bin size" 1 from 0 onwards. However, I do not think this looks appropriate, as every time I have seen a histogram (or someone has requested it),...
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30 views

Exploratory statistics, how to idenify and remove driver (bias)

I am looking at customer data, and created frequency tables (+histograms) for customers with different professional statuses and what the best time is to reach them. Status ranges here from employed, ...
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1answer
814 views

Fitting a pandas dataframe to a Poisson Distribution

I have a simple dataframe df2 that consist of indices and one column of values. I want to fit this dataframe to a poisson distribution. Below is the code I am using: ...
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1answer
75 views

Should weight distribution change more when fine-tuning transformers-based classifier?

I'm using pre-trained DistilBERT model from Huggingface with custom classification head, which is almost the same as in the reference implementation: ...
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1answer
332 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 ...
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1answer
645 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
96 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: ...
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0answers
72 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
15k 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
95 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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2answers
37k 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
308 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
230 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): ...
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2answers
8k views

Plotting different values in pandas histogram with different colors

I am working on a dataset. The dataset consists of 16 different features each feature having values belonging to the set (0, 1, 2). In order to check the distribution of values in each column, I used <...