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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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1answer
11 views

Differences between applying KMeans over PCA and applying PCA over KMeans

Short question: As stated in the title, I'm interested in the differences between applying KMeans over PCA-ed vectors and applying PCA over KMean-ed vectors. Long question: Let's suppose we have a ...
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0answers
19 views

Why use contour maps in machine learning? [closed]

Why use contour maps for in detecting a predictions of machine learning?
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1answer
31 views

Is there any tool for data visualization and manipulation?

I have a time series data set that I need to manually label them for supervised learning. What I am doing now is using excel to plot, and when I see the pattern that I want, I hover over the data on ...
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2answers
31 views

How to visualize Ensemble Models ( Random Forest) with 1000 estimators

I am working on classification problem where I need to categorize the user in buy/ non-buy category. I have around 100 + features or predictors to predict the behavior of user. I tried to implement ...
3
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1answer
82 views

How to visualize results/errors of multilabel classifiers?

For multiclass classification you would normally choose a confusion matrix to plot the error of predicted classes against the target classes. What is the best way to visualize errors of multilabel ...
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0answers
34 views

Beautiful output for table function in R

I work with R in the Jupyter environment. I would like to see the table output on one line. What should I do? ...
4
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1answer
109 views

Visualizing many one-to-many relationships

I am trying to visualize the language tags on github repository data. I have names of 16k github repositories, and all the languages associated with each one of them. Below is a chord diagram I came ...
0
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1answer
34 views

Orange3: Is it possible to get the total number of rows for a given column from inside 'Feature Constructor'?

I'm using the Orange3 gui and have been asked to generate basic plots where values relative to a "mean" or "Percentile Rank" are colorized. I looked in ...
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1answer
21 views

Error when box plot [closed]

Code: ...
2
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1answer
26 views

How to add numbers to the axes of a graph?

I am trying to make a graph of k (as in k-means) vs error, and I can't get it to show the actual number of k on the x-axis (1-15, not just the even numbers), nor any any numbers at all if I add a ...
2
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1answer
165 views

Display Images (url) Inside Pandas Dataframe

I would like to display images (mostly jpg and png formats) directly from their url link inside a pandas dataframe. Imagine I already have the following dataframe: ...
1
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2answers
22 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 ...
1
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1answer
39 views

What is the best way to visualize 10 Fold Cross Validation Scores?

I have trained a CNN model and I have applied 10 Fold Cross Validation because I don't have much data to train the classifier. Now I am unsure about how to visulize fold wise results. Please suggest ...
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2answers
53 views

Visualizing a large graph (10'000 nodes)

I am currently trying to find a way to visualize a graph which has 10'000 nodes, and about 20'000 edges. I was trying this javascript library, but quickly realised that this is too computationally ...
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0answers
18 views

Determining Metric for User Growth

How to define one specific metric to determine the growing users. I have a time series dataset of user engagement with the counts of content created by the user and the engagement score on a ...
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0answers
17 views

Visualizing correlation with large number of features

Often, visualization is touted as a prerequisite to model building, with the purpose of identifying features which are correlated with each other (think NxN correlation grid graph). The correlated ...
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0answers
9 views

Visualize strengths and weaknesses of a sample

Let's say I'm trying to predict an apartment price. So, I have a lot of labeled data, where on each apartment I have features that could affect the price like: city street floor year built ...
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2answers
36 views

How to plot High Dimensional supervised K-means on a 2D plot chart

I'm Having a ML problem where my data set contains 80 features labelled into 3 groups (0, 1, -1). I want to plot the data on a 2D surface to see how "close" (similar) data with ...
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1answer
25 views
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0answers
14 views

plot and measure uncommon part of kdeplot

As you can see this code generate that picture: ...
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0answers
97 views

How to plot a heatmap-like plot for categorical features?

I would greatly appreciate let me know how to plot a heatmap-like plot for categorical features? In fact, based on this post, the association between categorical ...
5
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1answer
44 views

What does it mean by “t-SNE retains the structure of the data”?

I was learning about t-SNE when I was told that t-SNE retains the structure of the data in the embeddings. What exactly does this mean ? How does the algorithm achieve this ? So far I have ...
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0answers
15 views

Data Visualization Plotly.js renders same image when saved to html from jupyter notebook

I have displayed two different Plotly images (bar charts) in Jupyter notebook using Plotly API. However, when I save the notebook to html both the bar chart displays as the same image. For e.g. I have ...
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0answers
24 views

What are the best free reporting tools?

What are the best free Business Intelligence (Reporting) tools, that allows live updates on the reports and also sharing them to other users? Actually now I’m using the community edition of Pentaho ...
0
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1answer
19 views

kde plot for interpreting the correlation

i have created some new features for my model. I found people use kde plot to find out the correlation between the created feature and the target variable, but I am not really sure how to find the ...
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0answers
5 views

How to display the architecture of a neural network created using Tf.estimator?

I have created a neural network using tensorflow's estimator API: ...
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0answers
26 views

Git for Deep Learning - what are the best tools for versioning/tracking machine learning experiments?

I'm looking for a tool to track the results of several experiments/iterations in machine learning. Training a model can take days/weeks, so it's essential to track its performance and be able to ...
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3answers
66 views

What is the best way to visualize the relationship two categorical variables

I am currently working on an ambulance dataset and one of my tasks is to find when a patient was misdiagnosed by the call dispatcher. I have two codes; a dispatch code(what the dispatcher believes is ...
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0answers
57 views

good visualization with topic modeling

I am seeking a good visualization approach in python for topic modeling. I have following results: ...
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0answers
8 views

Partial dependence plot vs prediction of an averaged row

I have been trying to predict property prices and I want to produce a lat, long partial dependence plot to visualize how much the location of a property affect the price prediction. The formal way of ...
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0answers
14 views

Most computationally efficient way to plot ~10000 points with non-overlapping labels

I've been trying to plot 10000 points with labels in pyplot. The issue is using pyplot alone results in a lots of overlapping labels. The most common solution is a python package called adjustText , ...
2
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0answers
42 views

Can Google really bring back billions of results in a blink of an eye (almost) [closed]

I was always fascinated by Google's search ability, a great achievement by Google and other search engine providers also, but more so a collective human talent and ability that makes me appreciate our ...
0
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1answer
20 views

Reconstructing original data points from t-SNE output

I have been trying to understand t-SNE for a while now and I have this very basic question on the comparison of PCA and t-SNE, on which I would really appreciate some help. In case of PCA suppose the ...
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0answers
11 views

Which is the best library for getting plots like Box plots, Scatter plots, Histograms, PDFs in H2o flow and scala?

I have recently started exploring the H2o flow, and sparkling waters, spark and Scala as part of an analytics project. However, in the H2o flow UI, I am not getting any option (nor mentioned in the ...
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0answers
15 views

Visualize similar looking words plus time related feature

I would like to visualize a high dimensional space consisting of words, the way the look and when were they more used. For the similarity I use various ranges of ngrams on the letters (this ...
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0answers
11 views

Is there a plotting library that can subset data via interactive mouse selection, then send that subset from the plot back into python or R?

Lots of libraries let you select a subset of data from a plot with a mouse action (e.g., lasso or box selection). But I want to take that selection from the rendered plot back to python (ideally right ...
2
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1answer
46 views

How to scatter plot with each dimension having its own color

I want to get insight for some values. I have two vectors of 300 dimensions, and want to compare them coordinate by coordinate. So I thought to plot each point with a different color, but the color ...
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0answers
31 views

How to best visualize data when outliers lead to lack of contrasting colors for the rest of the plot?

I have plotted the following map of Philippines according to the population in its regions, using matplotlib.pyplot in Python 3: As can be seen, there's one ...
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0answers
64 views

Are there any methods of supervised learning that return a bitmap instead of a set of parameters?

For example, the SVM or ANN methods perform search of a surface which would separate the data points in a best way. This surface is returned in the vector or parametric form. Are there methods ...
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1answer
33 views

Does it make sense to visualize data with a linear relationship using tSNE?

I have used tSNE several times to visualize high dimensional data for cluster analysis, and it has always worked quite well when data falls into clusters. However, does it make any sense to use tSNE ...
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0answers
37 views

Present Data Visualization That Involves Interactive What-If Scenarios

Seeking advice and a suggested workflow to approach the following: I have a complete MS Access database of a league-based championship. I would like to offer various interactive what-if scenarios ...
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0answers
270 views

Python Seaborn Boxplot: Overlay 95 percentile values on whisker

I want to overlay 95 percentile values on seaborn boxplot. I could not figure out the ways to overlay text or if there is seaborn capability for that. How would I modify following code to overlay the ...
0
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1answer
107 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. ...
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0answers
17 views

Scatter Plot on Map within a Small Range (a university campus)

I am trying to get a scatter plot of points based on geolocation data superposed on a map. I have already went through several libraries like basemap or plotly which do similar stuffs. However, the ...
1
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1answer
92 views

Visualize the predicted and actual class after training and testing

The data set X has 10 features with 50 instances labelled as 0 and 1. Considering only 6 instances as an example here, let YPred ...
1
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1answer
197 views

Interactive dashboard for time series data

I'm searching for some tools that allows me to build a dashboard in order to visualize information about time series. This dashboard should be interactive and should allowed to be integrated in a web ...
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2answers
27 views

Keep track of trainings, datasets eetc

After searching quite some time for it on Google I could not find a sufficient software/toolbox that can manage trainings of neural networks. I thought of a program that combines visualization ...
0
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1answer
18 views

Devise a single metric to measure retention of listeners using the service on a daily basis for the last month

I have dummy data for a music streaming service, the data is as follows:- Monthly uniques = the number of unique listeners on each platform for the entirety of a given month All-time uniques = the ...
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0answers
121 views

Problem with x axis on swarmplot and added line with seaborn

I'm trying to add custom lines to seaborn swarmplot (based on this answer) and it seems that x axis is wrongly scaled. Data preparation: ...
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0answers
26 views

What can I learn from this graph?

I have just started learning Data Science. Here is visualization of vehicle data from EPA: X-axis = displacement of vehicle Y-axis = highway mileage Right-Side of graph: f = front-drive, r = rear-...