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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19 views

Representing a higher-dimensional chart

I'm hitting an unusual roadblock in my quest to represent a set of data for the layman, and thought I'd ask for advice on how best to accomplish this task. My data points are represented by a 4-float ...
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31 views

Can I force DecisionTreeClassifier to use integer conditions when the variable is integer?

I'm trying to visualize a decision tree in python for the purpose of explainability. I noticed that a condition like "NumGoals >= 1.23" could be quite vague for the user and I would much rather to see ...
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32 views

Visualize Softmax values in CNN prediction

What is the most convenient way to visualize Softmax values after calling the CNN prediction function? Do I have to collect different probability values and feed them to the matplotlib or are there ...
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17 views

How can we visualize heterogeneous data in data science? [closed]

How can we visualize heterogeneous data in data science? I have complicated data, which is not easy to deal with. How can I design data set effectively?
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6 views

Visualizing activation maps using Theano and Lasagne

I am trying to visualize the intermediary activation maps of my NN. I load in my parameters: ...
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3 views

Plotly Bar Graph Color Scale [migrated]

I'm trying to keep a bar graph values on the same color scale - for example: ...
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2answers
35 views

Clearest way to visualise temporal data?

I've collected bus arrival times at my local bus stop from the past month - so I have every time my bus (a specific bus number) shows up at my bus stop for each day of the week (Monday, Tuesday, etc.)....
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13 views

Finding frequency as a function of wavevector ( Fourier Space)

I have data for a function $G(x,y,t)$ where $x,y$ show space position (2D) and $t$ is time. I know from Fourier transformation definition that: $G(x,y,t)=\int q \:dq \: d\omega \: d\theta\: \hat{G}(q,...
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22 views

3d density of population visualisation on map Python

I am looking for Python module, in which I could create 3d visualization of population density on map. To create 3d plot like this:
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1answer
27 views

What are some recommended visualisations to represent how attributes in a data-set influence each other?

Looking at this data-set, I want to illustrate ideally to what degree and in what direction each of the properties (fixed acidity,...
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1answer
22 views

How to represent a dataset as a linked list-like graph?

I would like to visualize this data set using Python and probably a visualization tool like Matplotlib. The data set contains three columns: a user id with a question, a user id with an answer, and ...
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1answer
18 views

Is there a way to aggregate frequency distribution for many runs?

In the following plot I have frequency distribution for each of the fitness values that are shown in thte legend. Each run (x-axis) has a different frequency of each fitness value. The total runs is ...
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13 views

regarding 3D scatterplot with line in Python or Matplotlib

In Matplotlib or other python library, how to generate the 3D scatter plot with line, shown as following? It seems that ...
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26 views

Tesseract training- JTessBoxEditor issue

I am trying to train my tesseract by making box characters in the images but the JTessBoxEditor is not recognising any characters. When running the command --> tesseract eng.arial.exp1.tiff eng.arial....
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16 views

Plot line at X axis based on Values of Y axis - maplotlib/seaborn

I have made a dist plot and now I want to plot a line on the x-axis based on the value of the y-axis. ie. I want to plot a line at various maximas/peaks and also shade a portion of the x-axis between ...
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30 views

How to visualize two small samples with different sizes?

As part of a psychology experiment, I surveyed 15 users. I separated them in two groups, those who have become smoke free, and those who are still smoking. These groups have different sizes (9 and 6). ...
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Do I include a spatial features inside my training data for a SOM

I want to prepare my data for data mining, using a SOM to find data patterns. I have data about households in South Africa. The data is per individual per household. The census asked questions such as ...
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1answer
21 views

Visualizing Variance / Standard Deviation for categories

Data Structure: ...
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2answers
50 views

Linear Regression model visualization

I am trying to visualize, how does the linear regression model draw a straight line when we have multiple features and one label to predict. Like when we have 1 feature and 1 label, we can easily plot ...
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1answer
32 views

Python : How to output graphs using lists method and how to change graph lines to “-” or “*” [closed]

Question Please show me Python programming codes that shows graphs using the list method. Moreover, I want to know how to change graph lines to "-" or "*". Thank you for your answer in advance. <...
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189 views

Plotting Stacked Histogram for Time-series data

Given the dataset: ...
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50 views

Data visualisation for big data sets

Working on some voluminous data sets, I have been interested in methods for dimension reduction and plotting. I have stumbled upon this novel technique : UMAP (https://arxiv.org/pdf/1802.03426.pdf), ...
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1answer
24 views

Visualization of an Order Verified by Wilcoxon

The background: After I've conducted a survey about preferences of users in ridesharing, I now want to construct an order of importance of these preferences (this is to answer one of my research ...
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2answers
44 views

Data visualization in the terminal?

I've gotten to love using the terminal for processing data. At work, I'm using Windows Subsystem for Linux (WSL). For school and personal, I'm using Linux terminal on a Google Cloud instance. I love ...
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42 views

Dependency Graph

I want to create a dependency graph of some sensors in the network ( based on their reported value). Please note that a change in the values of sensors is related to each other. For example, if the ...
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7 views

Sequence for musical keys on x-axis

I have an idea for a data visualization, and on the x-axis I want to plot a linear sequence of musical keys (if possible). If it's only major keys, then it would be something like ...
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5 views

Represent bar plots of different categories side by side in the same graph rather than in different plots

I made a loop on categorical grades which plot a certain number of graphics related to this grade. As far as these grades are categorical I was wondering if it would be more interesting to display it ...
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1answer
44 views

CNNs: understanding feature visualization Channel Objectives (SOLVED)

I'm trying to follow a paper on deep NN feature visualization using beautiful examples from the GoogLeNet/Inception CNN. see: https://distill.pub/2017/feature-visualization/ The authors use ...
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1answer
40 views

Data Visualisation Techniques for Multi Labelled data

I am new to data science and am trying to figure out how to visualize my multi labelled data using graphs. I am using a dataset to classify music by emotion based on their acoustic features (such as: ...
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10 views

How to create trade flows-map chart?

I would like to know if there is a relatively easy way to create trade flows-map charts(preferably without coding), showing i.e. exports from Country A to Countries B,C,D. I have tried doing it so far ...
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11 views

Code line explanations: Visuals of LogRegression

Why do we use -1 and +1 in the following code? ...
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1answer
54 views

How to wisely choose machine algorithm for the given data set?

I have a data sample of RSSI value from three different devices and based on the RSSI sample, it should tell from which location the data sample is arrived. Below are the sample data set, ...
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65 views

Plotting facetgrid in subplot for IRIS dataset

I'm trying to plot 6 selected pair subplots with the combination of facetgrid of seaborn and scatter plot from matplotlib. I'm getting plot, but subplots remains empty whereas facetgrid gets plotted ...
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15 views

Plotting ROC curve after re-sampling the data set

I am a beginner in Machine Learning. I am working on a project to compare the performance of three ML algorithms which are: LR, SVM and ANN on a dataset containing medical records. After exploring ...
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1answer
99 views

Tensorboard with pytorch dont display a graph

I am trying to visualize a model I created using Tensorboard with Pytorch but when running tensorboard and going to the graph tab nothing is shown, im adding my code for reference, also im adding a ...
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39 views

Self Union All in Tableau Public for Sankey Diagram

I'm following this 2017 youtube tutorial from-which I hope to learn Sankey diagrams. At 2:28 he instructs us to select Convert to Custom SQL, after having opened ...
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1answer
37 views

How to represent the number of neurons in an LSTM for architecture schematic?

I'm trying to visualise a neural network schematic and found a great tool for building schematics here http://alexlenail.me/NN-SVG/index.html. I've edited the SVG file to change one of the dense ...
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1answer
29 views

Modeling the Price Movement- What analysis should be used

I am trying to model the price of a hotel as the check-in date arrives. I have a data set which looks like- For e.g- if I am looking at the booking date of Dec 31st, I would want to analyze the ...
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1answer
26 views

How this visualisation was made?

I really like how this visualization represents the survey participants. Is any tool for that? (Or R/python library?)
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2answers
40 views

Unable to interpret this 100% stacked area chart

I suffer from "graphical dyslexia". I have trouble interpreting charts. So I pore over them for long periods of time. For the life of me, I can't figure out how the conclusion from this chart is: ...
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34 views

Is there a way to use Plotly as an annotation tool, for labelling time-series for instance?

I have been tasked to create a tool aimed at labelling sections and/or precise data points of a biomedical time-series. Our main framework is written in Python. I would like to know whether it is ...
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1answer
41 views

How to rotate the plot and find minimum point?

I want to rotate the below curve to 45 degree and then find the minimum point. For this, I have tried with below code: ...
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1answer
64 views

Changes in the standard Heatmap plot - symmetric bar colors, show only diagonal values, and column names at x,y axis ticks

I have a heatmap image (correlation between all matrix columns) and I'm straggling to preform all the changes below within the same image: bar colors should be symmetric around zero (e.g., ...
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1answer
59 views

How to display graph with MathJax in jupyter notebook?

I am trying to create a jupyter-notebook with a graphical depiction of a neural network. For starters, I am trying to display a simple network that evaluates a boolean NOT operator. I am using the <...
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58 views

Hotel Booking Analytics: Perform an analysis in order to understand the movement of the price as the day approaches the check-in date

I am working on a hotel booking dataset. I have transactional level booking data, where each row corresponds to a booking. Please refer to below snippet of the data: I am trying to find out the ...
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1answer
21 views

Why do seaborn.dist and pyplot.hist generate two different looking histograms on the same data?

I'm looking at telecom customers data. Two of the variables I'm looking at currently are: Monthly Charges - The total amount charged to the customer monthly. Is Senior Citizen - Whether the customer ...
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1answer
22 views

How to barplot output of pandas.describe() from multiple datasets

I'm trying to compare the differences and similarities between 10 dataframes. I have decided to df.describe() each dataframe in turn and accumulate the results into a new dataframe. ...
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2answers
60 views

Pandas, make the bars of a bar graph have equal widths

What do I need to change so that ax1 uses the same width for bars as ax2? ...
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1answer
25 views

How to make this intersection chart?

I want to prepare the following chart. Say, I have three datasets of different lengths, for example: ...
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3answers
108 views

Visualize/analyze data before or after imputing missing values?

My understanding is that we impute missing values in order to preserve those training examples so our Machine Learning algorithms have as many training examples as possible. To me, it would make ...