Questions tagged [visualization]
Constructing meaningful and useful graphical representations of data. (If your question is only about how to get particular software to produce a specific effect, then it is likely not on topic here.)
696 questions
2votes
0answers
15views
How can i plot large .nc files with xarray and matplotlib?
I have a 11GB .nc file with lon/lat positions, and particle trajectories on the ocean surface for a timespan of 40 days. For small files (Approx 140MB) i use xarray, netCDF4, matplotlib and cartopy to ...
3votes
0answers
37views
A stupid question about contour plots
I am trying to make a contour plot for a point distribution using mat plot lib, but I find that the outermost points in the distribution are not included inside the perimeter of the outermost contour ...
5votes
1answer
36views
Analyzing if my email notifications increase or decrease total subscriptions
I am hoping to reach someone who knows how to interpret data, if not, someone with better logic than me would still help :) I had around 9000 users paying for monthly subscriptions for a service on ...
4votes
0answers
34views
How to switch the rows/columns of a matrix table in Power BI so that the roll-up dates are in the columns
I've set up a tabular report using the Matrix visualization tool but I couldn't find a way to put the hierarchical datetime period variable into the columns. At the moment it's in the rows as shown ...
2votes
0answers
15views
Ultra-Minimalist Visualization for Term Frequency Table (Alternative for Tag Cloud)
Disclaimer: I have no background in Data Science or Statistics. I used AI to extract a vast list of topical keywords, from thousands of news articles, published by dozens of Tech News Publications, ...
0votes
0answers
32views
What is the best strategy to create a monthly report?
Background I was tasked to create a dashboard on a volunteer database. One of the information required is gender ratio of the volunteer. The database is in Google Spreadsheet (because it's less than ...
1vote
2answers
40views
What do you call this "2d area chart?"
I often need to draw area graphs that have two dimensions, similar to the following: Also (source] Two questions: First, what are these kinds of graphs called? They don't seem to be called a two ...
2votes
1answer
49views
Can a fact table have a 1:1 relationship with a dimension table?
I am trying to build a small healthcare fact table with the following information [patientid], [organid], [value] Each [patientid] is unique to that patient, but there are only 10 available [organid] ...
3votes
1answer
38views
The classifications from the model do not align well with business expectations or the "X" metric
Could this discrepancy be caused by the threshold strategy? If so, how should I optimize or adjust these thresholds? How can I better align the model outputs with the business context of "X"?...
1vote
1answer
26views
implementing the SIRD model in python
im doing a project for my class where im trying to implement the sird model with the vaccinated population. Ive written my code based on the equations i have but something seems off in my graph. the ...
0votes
1answer
145views
What are some good ways to visualize one-hot encoded data
I'm working on a ML project where we want to visualize our one-hot encoded data to see how the model is learning. What are some good techniques for this? I'm aware of dimensional reduction methods. ...
1vote
1answer
23views
getting ideas to start my learning
i have plan to start my career on data analytics and i need a guildline how to start and where to start ,if you are ready to give some hints through that I'll get some clarity and i'll start my ...
1vote
2answers
103views
What are the fastest dimensional reduction techniques to use out of the box
I am working on an ML project where we would like to visualize movements in a high-dimensional but sparse vector space (e.g. a 1x75 vector where most of the entries are either one-hot encoded binary ...
0votes
1answer
31views
Learning material for R
I am looking for learning material for R (including base R & tidyverse approaches (with a focus on readr, dplyr & tidyr)) and data visualisation using ggplot2 library for commercial teaching ...
1vote
0answers
12views
Annotations in matplotlib barplot
I would like to annotate the bars for the plot based on this groupby in a static fashion. Given that the cluster groups all happen to have genders that roll up to the same value per cluster, static ...