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.)

Filter by
Sorted by
Tagged with
1
vote
0answers
9 views

matplotlib survey data evaluation

I would need some help on how to display data properly from a survey, since I am relatively new to it I feel a little lost on how to work it the right way and was wondering if someone could give me ...
1
vote
0answers
24 views

Need help regarding my thesis project related to Data Analysis [closed]

I am working on a project with a company that manufactures Injection molding machines. I am to perform data analysis on some selected parameters as a part of my thesis to tell the company if from ...
1
vote
1answer
29 views

How to plot multiple columns with ggplot in R?

I do have a data frame with different categorical and numerical columns with the following schema: Id | num_col_1 | num_col_2 | num_col_3 | cat_col_1 | cat_col_2 ...
1
vote
0answers
12 views

Plotly and altair [closed]

I have a question about these two bookstores: Plotly and Altair. They are both used for data visualization and interaction. However, when I use them with a 300,000 line dataset, my notebook doesn't ...
1
vote
0answers
13 views

Need some advice on approach to select only the informative emojis from the data set?

I have a giant data set from a local elections, which contains hashtags, emojis, and comments. I wanted to make a network analysis using only emojis. So far I have a network analysis graph made in R ...
1
vote
2answers
26 views

Dealing with skewed mean

I have a data set of districts, farmland area and fertilizer subsidies issued for those areas. I.e, using made up numbers, ...
0
votes
2answers
37 views

Visualizing Time Series Data

I hope this question isn't out of place here. I have some time series data from a Zooz power plug that I'd like to visualize. Excel works fine to a point, with small sets of data, but it's not ...
0
votes
0answers
22 views

Data Visualization of Feature Distribution Plot

I have been trying my best to plot this type of feature distribution plot using Python. I looked for what they are called to replicate the plot, but couldn't find the name of it? The Reference of ...
0
votes
1answer
18 views

Google data studio: How to order a dimension?

I'd like to visualize the number of bookings per month, but I can't understand how to order the months (they are a dimension and not a metric, maybe that's the problem?). When I try to do so it asks ...
1
vote
1answer
17 views

How to handle performance degradation due to domain transfers in data

I am training a classification CNN on a labeled dataset $\langle x,y\rangle$. The network reaches a 0.92% accuracy rate on testing and validation sets. After this process, I pre-process the data to ...
0
votes
0answers
18 views

Time dependent pie chart

I am looking for the name of a "time dependent pie chart". I assume that this exists already, but since I don't know its name I have a hard time googling it. Description: Let the radius $r$ be the ...
0
votes
0answers
20 views

How to plot lack of data in bar plot?

I have the following bar plot showing retrieval precision for specific documents: First n documents have no specific precision because retrieval returned no data for them. This is ambiguous because ...
0
votes
2answers
28 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 ...
1
vote
2answers
38 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 ...
1
vote
1answer
37 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 ...
0
votes
0answers
7 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: ...
1
vote
2answers
42 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.)....
1
vote
0answers
16 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,...
0
votes
0answers
25 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:
1
vote
1answer
28 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,...
1
vote
1answer
23 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 ...
1
vote
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 ...
0
votes
0answers
20 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 ...
0
votes
0answers
38 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....
0
votes
0answers
17 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 ...
0
votes
2answers
32 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). ...
0
votes
0answers
13 views

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 ...
0
votes
1answer
23 views

Visualizing Variance / Standard Deviation for categories

Data Structure: ...
1
vote
2answers
57 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 ...
-2
votes
1answer
33 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. <...
0
votes
2answers
351 views

Plotting Stacked Histogram for Time-series data

Given the dataset: ...
0
votes
2answers
53 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), ...
0
votes
1answer
25 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 ...
2
votes
2answers
57 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 ...
1
vote
0answers
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 ...
0
votes
0answers
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 ...
0
votes
0answers
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 ...
1
vote
1answer
45 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 ...
0
votes
1answer
57 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: ...
1
vote
0answers
12 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 ...
0
votes
0answers
14 views

Code line explanations: Visuals of LogRegression

Why do we use -1 and +1 in the following code? ...
2
votes
1answer
62 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, ...
2
votes
0answers
85 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 ...
1
vote
0answers
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 ...
2
votes
1answer
135 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 ...
0
votes
0answers
48 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 ...
0
votes
1answer
52 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 ...
1
vote
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 ...
2
votes
2answers
63 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?)
1
vote
2answers
41 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: ...