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.)

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13 views

PCA giving separated results expected (jupyter sklearn)?

I'm a complete newbie to PCA and I have 3 sets of values which I want to plot with PCA. This is what I am using: ...
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1answer
19 views

How to predict number of orders for coming weeks using previous week's data?

I'm getting confused as how to proceed for this problem: I need to predict a city's food supply, for number of orders, for the upcoming weeks based on previous weeks' data. What should I do? Do I ...
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1answer
29 views

Why n-split is not possible for a dataframe with KFold?

On running below code on python 3.7, I am getting the following response: 'DataFrame' object has no attribute 'n_splits'. How to get rid of this? ...
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1answer
23 views

How to divide 7 non-continuous result values into 5 legend categories?

I'm making a map which displays score results for river reaches. The score results are integers from 1 to 7. Now I want to make a legend and color code my results. However, I don't want to use too ...
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1answer
20 views

How to predict specific user from session logs?

Let's say I have a dataset with 800 rows (40 entries for each of 20 users). The entries are user session logs (columns are - browser, os, time, date etc for a specific session). Now each user has ...
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3answers
219 views

Find if the two datasets are close to each other

I have the following three datasets. ...
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0answers
11 views

Nice examples/illustrations of CPD/Tucker or other tensor decompositions for a presentation?

I'm giving a presentation on tensor decompositions (especially CPD and TKD) and I'm looking for some nice examples or illustrations to demonstrate usefulness and intuition, most likely on three-way ...
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1answer
18 views

How do I make a labelled line chart?

suppose I want to track the ratings of seasons of a TV show. so there are three columns of data-season number, year, and ratings. I want the year and ratings on the axes and season number as labels on ...
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0answers
15 views

Print/plot keras neural network model and its activated neurons

I would like to print and plot my model and its activated neurons depending on the input. Similar to this video. Is there a library that already does this with a keras model?
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1answer
12 views

How do we visualize data in hierarchical clustering?

Can anybody tell me how to do visualization when applying hierarchical clustering to data with more than 2 features? Do we need to do dimensionality reduction before each clustering?
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0answers
13 views

Z values get rescaled while plotting in 3d

x_3d = 5.171875 , 5.3125 , 5.171875 ... 6 y_3d = 0, 1, 2, 3, 4, 5, .... 1500 (1500 points) z_3d = -10.493983 , 22.128998 , -14.582531 , 34.687847 , 11....
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0answers
22 views

How to create a heatmap inside a polar chart [closed]

I would like to build something like this. Creating a polar chart isn´t an issue, but i have no idea how to implement the round areas and the color gradients into the plot.
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0answers
48 views

How to reduce position changes after dimensionality reduction?

Disclaimer: I'm a machine learning beginner. I'm working on visualizing high dimensional data (text as tdidf vectors) into the 2D-space. My goal is to label/modify those data points and recomputing ...
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2answers
42 views

How to visualize time-intervals

I have a pandas table with a start and end time for each entry. They don't intersect, but range from seconds to days. I want to visualize them, ideally the x-Axis being the date on which they occus, ...
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1answer
28 views

Plot misclassfied values in matplotlib

I have two lists. One is target and another is predicted values in a binary classification. The target is always zero. And I have to plot the results of the prediction against target in such a way, ...
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0answers
16 views

Visualizing Portfolio Asset Allocation over Time

I've been trying to figure out a good visualization for seeing how the asset allocation within a portfolio changes over time (due to daily returns/losses or cuts to exposure of specific asset). ...
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1answer
21 views

Visualization for comparing the results of two different models

I have two different mathematical models I use to predict the dollar amount in claims a group will incur over the course of a year. I want to visually juxtapose how accurate those two models are on ...
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0answers
35 views

Bootstrap Template for a Dash App

Where Can I find a Bootstrap Template for a Dash app? Are there implemented examples? I cannot find nothing about this. I am building a Dashboard with Dash/Plotly but I want to improve the style of ...
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0answers
68 views

Jaccard Similarity with Binary Data

I have 5400 rows of data and 3211 columns of attributes. The first 4 columns are ID/Name/ParentID/ObjectType - the rest of the 3207 columns are the attributes that are to be used for similarity ...
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2answers
47 views

How to interpret this 'Zipf' (survival, war casualties) plot?

Help me interpret this chart please? What do the X and Y axes mean here? (I asked the author directly but they didn't respond for some reason.) Any thoughts on what 'Surivival Function' might mean ...
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2answers
57 views

A Proper Outlier Detection For the Attached Figure

I am wondering how I could detect the red points as outliers using an algorithm (best method for this scenario) not through visualization since it is clear that they are outliers in the figure. ...
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0answers
18 views

How should I visualize image choice rankings and probabilities?

I need some help visualizing some data from a choice experiment. There were two sets of pictures that folks get to see. The first set contains 6 pictures. Participants pick their top two (based on ...
3
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1answer
25 views

What does the color coding and normalized values in confusion matrix actually specify?

I am unable to infer anything about the model from the following confusion matrix. What is the color coding actually specifying? For example, when predicted label is 1 and true label is 1, the value ...
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1answer
23 views

comparing data from first quarter in two years

How can I compare data from two quarters? What software can I use to do it parallelly side by side so I can compare them. What kind of factors can I take into consideration, I'm posting a sample data ...
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0answers
24 views

Python equivalent of Wolfram Language ParametricPlot3D?

The Wolfram Language as a ParametricPlot3D that can be used to interactively examine parametric functions in 3D. Which Python package and function(s) best ...
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0answers
16 views

Are there any tools out there to use for exploratory analysis on semi structured data sources (non-relational)?

I.e. server log files and other machine generated data. As far as I know most visualization tools (Power BI, Tableau, Excel) generally expect tabular data. Are there similar tools for exploratory ...
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0answers
18 views

same color scheme for 2 pie charts

I want to visualize statistics from two large dataframes with similar data in two pie charts. I would like for these two charts to use the same color when the same category appears in the chart. I ...
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2answers
53 views

Possible Challenges for a Data Science Escape Room

Dear Data Science Community, as my project for my bachelorthesis I am working on a concept for a physical Data Science Escape Room. The goal of the escape room is to create awareness for data science ...
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1answer
22 views

What's the best way to plot a bar graph with large numeric difference in values?

I'm graphing the value of the Ruble against the US Dollar in the 1990s. There was hyper-inflation from 1992-1997 (where the "y" values expanded from 125 to 6000). On Jan 1st 1998, the government ...
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1answer
30 views

How to perform (modified) t-test for multiple variables and multiple models on Python (Machine Learning)

I have created and analyzed around 16 machine learning models using WEKA. Right now, I have a CSV file which shows the models' metrics (such as percent_correct, F-measure, recall, precision, etc.). I ...
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1answer
62 views

Any suitable way to describe the distributions of 2 Pandas Dataframes visually/graphically?

I am aware of the fact that the Pandas Dataframe's Statistical description can easily be obtained using df.describe(). I am having 2 dataframes of the same ...
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2answers
133 views

Data Visualization with multiple dimension, and linear separability

I have a dataset of two classes with several features, how can I visualise such data using Matlab to decide if it is linear separable or not?
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1answer
139 views
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0answers
37 views

Algorithm or JS graph drawing library that can generate a graph of 100,000+ nodes and edges while minimizing edge crossings

I'm trying to plot a directed graph of $2^{16}$ nodes and $2^{16}$ edges (but not simply a cycle). Ultimately, I need to be able to share an interactive graph (zooming, panning, labels). Mathematica ...
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2answers
76 views

How to visualize change in a distribution with a few outliers that account for a very large percent of the total?

I'm working on an edtech product where some of our traffic lands on webpages about textbooks. Textbooks belong to subjects like Algebra, Calculus and Spanish. In each of our subjects, we have "...
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1answer
72 views

Histogram is extremely skewed to the left

everyone. Hope you are all okay. I am pretty bad at visualizations in Python. I am working on a movie dataset and now I want to understand how values of variable 'vote_count' for every movie in the ...
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1answer
35 views

What are some ways to train, test and render an RL autonomous drone in a simulator?

I completed the Udacity nanodegree in Deep Learning but found the final project to be extremely difficult since the only visual feedback were from plots via matplotlib (rotor speeds, x/y/z coordinates,...
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1answer
37 views

Name of this type of cross variable interaction Plot

In recent papers of Social Network Analysis , I have been observing this particular type of graph used increasingly. I looked for what they are called to replicate the graph, but couldn't find the ...
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1answer
43 views

What kind of data visualization should I use?

I'm going to program a customized phone keyboard where some letters are larger than others, depending on how often I misstype them. For example, if I often pressed "w" instead of "e", I'd make the "e" ...
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1answer
14 views

Comparing rows in Data Studio

I'm using data studio for a project and I'm connecting to my big query table. My table contains following columns: Date, Store_name, Footfall I'd love to compare the footfall of two stores on data ...
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1answer
32 views

Which different visualizations to make for time series analysis?

I hope you're doing great. I have recently started working on a time series project and I have just finished preparing my data and calculating trends (daily, weekly, yearly) and I wonder what are the ...
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1answer
21 views

Alternatives to Heat Maps for Communicating Daily Data

I am currently using the heat map below to communicate the number of messages sent on a messing platform over time. I don't think this is the most effective way to communicate the information as it's ...
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1answer
39 views

Organizing complex analysis project

Does anyone have any experience organizing large data analysis projects? It seems that the majority of project organization tools for data science (DVC, datmo, mlflow, etc) assume a very model-centric ...
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1answer
33 views

Python code not displaying graph

I am using some python code from kaggle that plots a bar graph. However, when I run it, it does not display the graph. When I run it in the IDE I get the following output: ...
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0answers
14 views

Distributions Widget - How to show small number subgrouping instead of all subgrouping

Good day to all: Greetings, I am very new to using Orange Data Mining - a few days novice. I got a Excel data file, it is a list of maintenance repair work orders carried out for different class of ...
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0answers
136 views

What are the differences between Glueviz and Orange that come installed with Anaconda and how do they compare on performance and workflows?

I've been using Anaconda for quite a while now and these two libraries glue and Orange have sparked interest lately. I've ...
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0answers
16 views

Tableau: Displaying Averages and Aggregate Calculations In Filtered Visualizations

I'm new to Tableau and I just started by making a graph with multiple filters. What I want to do is display some averages of some columns and other aggregate functions dynamically as the filters are ...
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1answer
38 views

PCA in visual Analytics

I m studying visual analytics and i have a theoretical question about this topic. My professor introduced this schema in him slide For connect data to visualisation. Some topic is very easy to ...
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0answers
17 views

Visulazing a specific value of a column with the corresponding values

I have recently started using data studio to make visualizations before diving into analysis and data prep! I have a column named NAME OF STORE that good different names and other columns like Date, ...
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1answer
18 views

Display a subset of classes in axes in ggplot

I have the following plot, is there any way in ggplot to display just the numbers 1 to 10 instead of all of them? Numbers from 10 and after are not so important, but I need to display the ones before. ...