Questions tagged [historgram]
a graphical representation, showing a visual impression of the distribution of data.
23
questions
1
vote
0answers
46 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 ...
0
votes
0answers
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 ...
0
votes
0answers
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 ...
1
vote
0answers
25 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 ...
1
vote
0answers
12 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 ...
1
vote
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 ...
2
votes
0answers
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 ...
1
vote
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 ...
1
vote
1answer
100 views
Generating the right target for an LSTM model
Trying to explain my question on a simplified data set.
Having the following dataset:
...
1
vote
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),...
0
votes
0answers
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, ...
0
votes
1answer
842 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:
...
1
vote
1answer
80 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:
...
3
votes
1answer
342 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 ...
3
votes
1answer
651 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 ...
2
votes
1answer
101 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
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 ...
0
votes
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})
...
1
vote
1answer
97 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".
...
4
votes
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
...
0
votes
1answer
313 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
231 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):
...
6
votes
2answers
9k 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 <...
