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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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How to arrange web scraped data in a table using R?

Original Code ...
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Unable to generate useful insights on a highly cardinal data

I'm working on CRM data, did some cleaning, encoding and ran a decision tree classifier from which i plotted a feature_importance graph From that I found that Sales person column is one of the ...
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Which regulations should not be overlooked? [closed]

i made some research about this subject. im literly facinated about that. I dont have PHD and doesn't work on this industry. Im young man interesting, this is my questions. italicIt is possible to ...
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Performing EDA on a dataset with missing features

I'm new to DS. I want to perform EDA on such dataset, where these are the missing features stats of my train and test sets: train: Test_0 0 Test_1 31 Test_2 0 Test_3 141 ...
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Why grad cam is not showing despite of no error?

I am applying grad-cam on 3d images and I see no errors, I only can see the Scan of my original images but not the grad cam. from skimage.transform import resize ...
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Would you ever chose t-SNE over UMAP?

UMAP is both faster and captures the global structure better than t-SNE when visualizing high-dimensional data. Is there ever a situation where you would pick t-SNE over UMAP?
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1 vote
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Relationship between visualization and feature engineering

Having been in industry for a while, my puzzle on this question still remains unsolved. What exactly is the relationship between visualization and feature engineering? While on Kaggle or elsewhere we ...
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Plot polar coordinates (2D) on a Poincáre Sphere surface as either heat map or scatter plot [closed]

I have a dataset with 4 values - amplitude, psi angle, chi angle and class (color). The psi angle and chi angle represent unique points on a . I want plot these psi and chi values on this sphere co-...
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How can I remove legend from the figure in seaborn?

Here is my diagrams, I want to remove the labels of the second bar that is C1,C2,C3,C4,C5, because it is repeating.
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1 vote
1 answer
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the right laptop for data analysis? (using a big Data Lake)

Does working with data visualization from a big Data Lake require a powerful laptop? I've been offered a P15 because my boss believes my work will be requiring heavy computations, which normally would ...
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Power BI: Add slicer from measure

I have a list of working hours by date for every employee at a company and I have created a measure to calculate the total working hours. In the report I used a date slider so that the user can see ...
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Why we need a statistical hypothesis testing for correlations between variables when we can check using scatter plots?

Need Guidance on correlation test. When we need to perform correlation between 2 variables, we generally start with scatter plot. Sometime it is suggested to perform hypothesis testing as well. I'm ...
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2 votes
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MinMaxScaler makes my prediction flat

I am trying to do univariate forecasting. But when i try to use MinMax Scaler my predictions are being flat (tried to use different activation functions) but when i use Standart Scaler my predictions ...
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Need help with simple data analysis on Excel source

Apologies beforehand, this is outside my comfort zone. I have a table in Excel with a list of ca. 100 items. Each of the items has a number of tags associated with it, indicated by a TRUE value in one ...
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4 votes
1 answer
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How to interpret standard deviation calculated by excel

I have some percentage values in my excel spreadsheet like: When i use the STDEV function to calculate the standard deviation with these values, i get ...
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How to add header for "% Weights" column to the left of "Correlation [95% CI]"

Context: I am trying to add a header on my forest plot for "% Weights" column to the left of "Correlation ]95% CI]": https://wviechtb.github.io/metafor/reference/forest.default....
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Facing problem on X-axis and Y-axis in VS Code

Helow everyone. I am facing a problem on x axis and y axis. when i got the output then the output plot look like as,, The problem is output plot do not show the x-axis label and y axis label. Please ...
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Drop duplicate / Get the unique value

Any idea how to drop duplicate values by 2 columns? Here is the example. I want to get the first row if there's a duplicate value by 2 columns (customer_id , orderid) I've done with making a count ...
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How can I create multiparametric diagram in excel or g.sheets?

So here is my data. For all of four segments I want to build a single diagram which contains all four parameters for each segment. How can it be done in excel or Google Sheets?
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atoti session.visualize() not displaying dashboard on jupyter lab

Dears I am starting with 'atoti' here and I can't see the dashboard displaying the result. Here are the steps I am using: Created the conda env exclusively for it. Using Python3 engine. Using ...
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How to plot rate distributions from a binary target

I'm trying to do EDA on a dataset and I have found some visualizations someone else was able to produce but I can't seem to figure out how they did it. The dataset looks roughly like this: default ...
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Tips on plotting library for distributed data/compute

Does anyone know of any plotting/visualization libraries (preferably Python) that take advantage of distributed data and compute backends (Spark, DASK, Ray, or similar)? To elaborate a bit more: A ...
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1 answer
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Visualize duplicate ID (unique column) from dataset

I have a dataset contains ID and year of their occurrence. This is the sample of my dataset: ID Year 1234 2018 1234 2019 5678 2017 5678 2020 .... .... I would like to visualize the ID's and the ...
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Study names not showing in forest plot (R)

Context: I followed an existing R script to create a forest plot in R using the forest function from the metafor package. Problem: The plot is showing, however, the study names are not showing on it ...
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Handling multiple object types in a large dataset to build a better ML model

I have a dataset with multiple object data_types. From the dataset, most of them were made into categorical features (Using One-hot encoding as well). But few of them have object data types with 6M ...
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use cases of geocoding maps

Tableau has interactive maps that can be used for custom geocoding. I know companies often divide regions for sales and marketing purposes but could anyone think of any specific use cases or examples ...
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Plotly: histogram with no fill color

I'm using Plotly's graphic_objects.Histogram. I am trying to draw several histograms on the same plot. I'm not satisfied with the results of the 'overlay' option. I would like to draw histograms with ...
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Tableau - Filter Buttons not filtering correctly

I created filter buttons to use as a filter for 6 category's (measures) in Tableau Public (latest version) so when you click on them the values for each display on my "Military Enrollment By ...
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Can t-SNE be applied to visualize time series datasets

I have multiple time-series datasets containing 9 IMU sensor features. Suppose I use the sliding window method to split all these data into samples with the sequence length of 100, i.e. the dimension ...
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1 vote
1 answer
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Changing the predicted variable from price to price/km due to better visual correlation

I'm working on a dataset of Uber Rides from Kaggle. Of the important variables there are pickup and drop-off coordinates, passenger count, datetime of pickup, distance and the final price. I'm ...
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Change line type in gpplot in R

Context: I have two variables under emotion_dict that I am graphing in the same line graph. Problem: However when I change the linetype in geom_line, it changes the appearance of both variables. ...
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2 votes
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Evaluate the result of a Zero-sum game

I'm currently working on an AI playing Mandarin using Minimax. I can extract this dictionary from a game where 2 AI with different depth plays with each other: ...
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2 votes
1 answer
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Suggestions on how to visualization this data

I was hoping to pick people's brain on better way visualize data that appears like this: Two categorical variables One continuous variable I'm trying to visualize this data in way that is more ...
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Which plot should I use for plotting discrete variable with binary variable?

I am two columns Age(discrete), and Purchase(binary). I want to visualize it to understand which age group is most interested in purchasing things. I was thinking of plotting something like a line ...
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2 votes
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Graph legend for plot in Base R for class differentiated data gives incorrect representation of actual category

I am new to R. While working on my university assignments, I found that legends for Base R plot do not show correct information, hence I switched to ggplot2 wherever legends were needed. I observed ...
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What is the name of the knowledge visualisation that shows independent paths which occasionally converge at certain points? (photo inside)

If I had Data that looked like this: ...
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1 vote
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Is python & tableau enough to become data analyst? [closed]

Currently, I working as SEO Analyst. I want to become a data analyst and so I have started learning python with data science from udemy course. Can Anyone help me with guidance to learn data analytics?...
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Visualization of multidimensional trajectories data stored as an array

I have 14-dimensional trajectories data in such form (an output of data.shape): (10000, 200, 14) and it looks like this: ...
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Cluster Evaluation with Jaccard and Rand Index

I've clusterized my data according to 3 criteria in 3 groups. I used kmeans to obtain those cluster so the label for each cluster is random and changes at each script run. To evaluate the consistency ...
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High dimensional data: Tensorboard Alternatives

Tensorboars has a nice tool for the Visualisation of the high dimensional data. Is there any other libraries that allow to do fast clustering and Visualisation without thr need to install PyTorch or ...
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tableau view with dimensions totals, static values and calculation

I try to create a table like the one following. I got 1 line product, 1 dimension "zones" and I want to add few columns : total for pieces on a line, a fixe value for a product(stock mini), ...
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2 votes
1 answer
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Data Art/ Data Visualization Art/ Information Art

Few days ago, I learned about data art/ data visualization art/ information art. I think I have interest in it. I want to see how I can use my data science skills in this area. However, I don't know ...
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How can I plot a 3d antenna radiation pattern in python?

I'm trying to plot a 3d antenna radiation pattern using python (or js if possible) but my code is not working. Here is what my dataset looks like: ...
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Scatter plot with Y axis labels like Gantt chart

Here is a Gantt chart visualization by Amcharts, from https://www.amcharts.com/demos/gantt-chart-dates/ : I want this same kind of viz, but with dots/circles for timestamp based data points instead ...
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2 answers
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Visualize 2D data in a completely filled square 2D grid, along two ordered axes

For visualization purposes, I would like to show an array with 2D data in a completely filled (near) square 2D grid, along two ordered axes. If the array has 10,000 items and each item consists of two ...
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2 votes
3 answers
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What tool can I use for produced this type of lines in a multiple line graph?

I was viewing a video about the declination in fertility rates when I saw a good line chart. This is a multiple graphs line and each line have different form this can be useful for readers don't get ...
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2 votes
2 answers
177 views

What package, software or particular tool produced this bar plot?

Would anyone be able to identify the package or tool used to created this particular bar plot? It has a distinctive font. Source (with paywall): https://towardsdatascience.com/stopping-covid-19-with-...
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1 vote
1 answer
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How can I improve this chart?

I have a chart like this: There are some problems that I am stuck: Some columns value are very small compared to others, so I cannot identify whether they are zeros or not (I used logarithm scale, ...
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4 votes
2 answers
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My data is highly overlapping, but when I apply logistic regression, it is giving an impressive accuracy of 79%. Why?

Logistic regression is supposed to work well only on data that is linearly separable. As we can see in the pair plot, the data points heavily overlap. The logistic regression model is in fact showing ...
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2 votes
1 answer
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Loading medical imaging data from multiple folders

I have a fairly basic mathematical and implementational understanding of ML algorithms and CNNs, and I am trying to think of an approach for this task: https://www.kaggle.com/c/rsna-miccai-brain-tumor-...
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