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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64 views

How do I read the cord_19_embeddings_2020-07-16.csv from the COVID-19 Open Research Dataset Challenge (CORD-19) on Kaggle?

What I'm trying to do I wanted to use the CORD19 word embeddings csv to map them to certain findings from the rest of the dataset, but as we can see there are no stings in the first column. The way I ...
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chart x-axis spacing terminology question

In the following hand made charts I show some value for years. In the first chart I've evenly spaced each year. On the second chart I've spaced them relativelly to their actual year value within time (...
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How to draw line plot with multiple lines on Tableau?

I have 4 different measures which I want all on the SAME line plot. They do have the same scale. I tried dual axis but it doesn't work for more than 2 plots.
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1answer
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how can I visualize the bag-of-words in a scatterplot

I have a bag-of-words consisting of about 60000 features. Each feature represents a diminsion. I want to represent this bag-of-words in a reduced 2D space. How do I do it? I have see an example here, ...
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1answer
974 views

How to visualize convolutional network focus on autoencoder?

I'm trying to create some cool (and at least somewhat meaningful) visualizations of my CNN that I am using to autoencode images, as I use the encoded middle layer to do similarity comparisons. I.e. I ...
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1answer
219 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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1answer
5k views

Stacked time series plot in python

In pandas I can set the date as index, and then run df.plot() to see a line chart. How do I make that line chart stacked as in the picture below?
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How are treemaps hierarchical?

According to various sources on the internet, treemaps are a way to visualize hierarchical, tree-like data structures, for example the tree generated by hierarchical clustering. I looked at a lot of ...
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Creating a filter to switch between timezones in Tableau Report [closed]

I am adding a filter in Tableau to switch between timezones when looking at the report. Currently, I have a date time field in MT and I want to have a filter where you can go back and forth between MT ...
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1answer
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How to cluster and visualize 3D data in python

I have a 3D dataset of x,y,z points with 2 categories, category A and B. My end goal is to cluster all points in category B into volumes (spheroids/clouds) and find all points of category A close to ...
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Visualization charts [closed]

I have the information such as number of active cases, deaths, recovered every day at city level from last three months. I want to show it to my management about the trend of these. Which graph is ...
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0answers
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Is a data analyst bootcamp worth it? [closed]

Many data analyst jobs require a person to have skills in SQL, excel, R programming, python, etc. The problem is that not all universities teach all those programming skills for students in the ...
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2answers
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Visualizing deep neural network training

I'm trying to find an equivalent of Hinton Diagrams for multilayer networks to plot the weights during training. The trained network is somewhat similar to a Deep SRN, i.e. it has a high number of ...
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4answers
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How do I make an interactive PCA scatterplot in Python?

The matplotlib library is very capable but lacks interactiveness, especially inside Jupyter Notebook. I would like a good offline plotting tool like plot.ly.
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3answers
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Open-source interactive dashboard in Python

I am trying to find a package to construct a dashboard with interactive graphs (including widgets such as sliders) in python (mainly IPython notebook). I know there is plotly but I would like a fully ...
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2answers
680 views

Visualizing a large number of variables in python

I have a large number of variables (2000) and want to visualize them using Python. Also, I would like to see the summary statistics of these variables. It seems that drawing box plots for all of these ...
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2answers
4k views

Plotting k-means output - python

Can anyone help with plotting k-means results from GraphLab k-means tool. ...
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1answer
1k views

Python Seaborn: How can one obtain a box plot (box and whisker plot) for the non-diagonal variable pairs in a pairplot()?

I tried using kind="box" but am not sure if that works. For the example I tried, I got blank subfigures in the non-diagonal parts of the PairGrid. Edit: Details. The function I am trying to use is <...
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2answers
155 views

plot multiple strings from a dataframe

I am trying to read and plot several files which looks like as below when I open with python using pandas read.table. The columns to plot are "dev" vs timestamp. The timestamp should be compose from ...
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1answer
109 views

Comparing data sets with different measurements

I'm currently writing a thesis based on Cyber Crime, however I'm unsure of the proper to compare/analyse my data sets to talk about them in my thesis. One piece of data (https://www.pandasecurity....
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2answers
920 views

Any usable libs to build and visualise SOM in python?

I tried SOMpy, though it is very crude now and works only with oldest versions of matplotlib. Is there any fancy lib that can build SOM based on array and visualize it in Python?
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33 views

Data visualization on three factors

I have three factors, Income(from source A),continuous variable Income(from source B), continuous variable Happiness index,continuous variable Suppose I have 500 samples. My goal is to show the ...
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1answer
4k views

Matplotlib — TypeError: 'module' object is not callable

I am new into ML. As per video tutorials when i try to execute the following lines i get an error. However the instructor get successful execution. Error is : i have google about it but didnt get ...
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1answer
265 views

Error when box plot [closed]

Code: ...
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1answer
5k views

Plotting multivariate linear regression

For practicing linear regression, I am generating some synthetic data samples as follows. First it generates 2000 samples with 3 features (represented by x_data). ...
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1answer
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Pandas grouped data to Bokeh graph

I'm having trouble graphing Pandas grouped data in Bokeh. ...
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1answer
111 views

What does 'lm' mean in the lmplot() in seaborn?

I was learning seaborn, but could not find the full name of seaborn.lmplot. What is 'l' and 'm' in the name 'lmplot'.
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2answers
41 views

How to give breakdown of text prediction sentences in Shiny

I have created a text prediction app that displays 10 sentences based on the word searched in the toolbar. However, all the sentences are being displayed in a single toolbar horizontally. I would like ...
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1answer
28 views

What is the most straightforward way to visualize color-coded clusters along with the cluster centers?

I have applied the kMeans Clustering algorithm to a dataframe and have gained cluster labels for each row. I had selected only two features. There are 4 clusters. I want to visualize the datapoints in ...
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1answer
66 views

Plot hurricane track

Hello folks, Recently while going through a research paper I happened to come across a plot showing the hurricane track(figure attached). Can anyone say how it is plotted or anyone has ...
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2answers
21 views

Tools for nutritional value tracking and visualization

I want to track the nutritional value of different flours over time. What I got so far is a data table like this: ...
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1answer
413 views

Anybody know what this type of visualisation is called?

I think this is a pretty cool way to visualise changes in values but I can’t find any name for this type of visualisation. I Source: https://www.economist.com/graphic-detail/2020/07/28/americans-are-...
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1answer
27 views

Brain Connectogram or Connectivity Visualization

Can anybody please guide me how can I draw the following figure in my windows 10 environment, I mean is there some built-in online tool or software that I can use for this purpose? In my case I have ...
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1answer
19 views

Differences between pseudocolor plot and heatmap?

I found some materials using the word `pseudocolor plot' and I think that it's just a heatmap. Is there any difference between them?
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1answer
27 views

What does the descision boundary of a relu look like?

A single non activated neuron is just a linear combination of its inputs. Thresholding this neuron's output as-is against 0 would create a hyperplane binary separator, whose parameters can be learned....
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1answer
36 views

What is the best way to visualize data that is over 100% capacity

I’m trying to visualize some data that is usually under 100% (for example, workload, or activity) but on some occasions it will rise over 100, meaning that the resource has been used too much. I was ...
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2answers
35 views

Validation Curve Interpretation

I have been reading about the validation_curve function from scikit learn. When I run this it takes too long. Therefore, I am plotting the results from grid search ...
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1answer
98 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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1answer
28 views
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What kind of data (in context of trends in data) is Logistic Regression appropriate for? [closed]

I'm not able to visualise what kind of 'trends' I would have to observe in multi-featured data to be able to say 'Logistic Regression would work well here'. For example if I have only 1 feature and if ...
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1answer
19 views

how to limit datetime in x axis

Hello folks, I am trying to plot three variables in a single XY plot. I am having a problem setting the x-axis limit which is for time. I tried setting limits using x_limit but getting ...
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1answer
14 views

when DataFrame has mutliIndex,how to visualize it?

I'm doing the "video games sales" project downloaded from kaggle, the data is like this: and I want to know on each Platform, which are the most three popular Genres? but I don't know how ...
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2answers
18 views

What is the meaning of colors in activation maps?

I am trying to understand how the neural network works. I plotted the intermediate layer activations and I got the following image. I used the matplotlib library and selected ...
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0answers
9 views

How create a plot with the given data in PowerBI

I have data tables where the header row is dates. The first column are names and each subsequent column contains numeric data for each respective name. I want to create a plot where date is on the x-...
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3answers
7k views

How can I make big confusion matrices easier to read?

I have recently published a dataset (link) with 369 classes. I ran a couple of experiments on them to get a feeling for how difficult the classification task is. Usually, I like it if there are ...
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2answers
174 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
15 views

Understanding Mapper clustering

Is there a way to find the number of clusters in mapper.map? It is a module in kmapper.KeplerMapper. When I plot the graph ...
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1answer
21 views

How to visualize categorical data with numeric columns

I have data like as shown below I would like to represent the above tabular data in a visual form. However, the below graph may not work because my real data as 50K unique drug names. So, is there ...
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2answers
28 views

Data Selection & Visualization Tool

I am looking for a tool that will show neatly all the rows from a large table (100GB+) for complex selection conditions from an sql/text/csv table. DB may be on linux or windows. Looking for easy ...
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1answer
49 views

How to drop points from a data series for presentation?

We monitor long running industrial engines and we have data series that we want to present on a line chart on a web page. For instance, we have sensors that monitor the oil temperature and pressure on ...

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