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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Visualization methods in R to examine correlation of labels against response
Question
What are some good plotting methods in R for examining the relationship between a target variable and various explanatory variables? In particular, I'm looking for visualization techniques ...
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seaborn heatmap - x axis - repeated values
I'm in trouble creating a heatmap using a CSV file.
csv data is in a format like below
here is a code
...
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Visualize interval type data graphically and regression
Suppose I have data like this:
x
y
5
10
10
12-30
15
45
20
50
25
55-60
I want to visualize it graphically. How can I do it? I googled how to describe intervals graphically, but didn't find ...
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Why are ordered lists considered one dimensional?
At Uni I am currently taking data visualization as a course.
While reading thru the script I stumbled upon two examples for one dimensional data.
Example one:
Bus stops with their name and order (...
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Data visualization multiple choices multiple condition conditions
Say I have a element that base on a certain condition (1, 2, 3 or 4), it chooses a decision (A,B or C). What diagrams can be used to present this data if I have more than one thousand elements so that:...
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Linear Regression with Category variables
I'm currently learning and exploring machine learning and understand the basics of linear regression based on two numerical variables, but now I wish to go a little further and need some guidance ...
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Strange plot on a simple dataframe Rstudio
I don't usually use R and I'm having trouble with a simple plot from a dataset. I just wanted to make a scatterplot and look at the values, but it keeps ploting a strange "box" thing which I ...
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How to plot multiple bar charts with different infill and outline?
I have the CSV's of data. I want to plot the distribution of every attribute or a single one to compare the distribution from other CSV's, Since all attributes are the same but the distribution is ...
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How can I include these 4 variables into my code in R [closed]
Here's a glimpse of the dataset I'm using.
SpeedDating dataset:
The data set I'm using is SpeedDating. My goal is to look at whether or people prefer to date each ...
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1
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How to plot the bar charts of precision, recall, and f-measure?
I have used 4 machine learning models on a task and now I am struggling to plot their bar charts just like shown below in the image. I am printing classification report to get precision, recall etc. ...
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How to best visualise two sets of data over several years?
I have a set of data on crime statistics by police force and year, and another set of data showing police workforce numbers over the same period. I am trying to determine the best way to show this ...
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Understanding, visualizing and interpreting CNN activations
I am working with the first layer of a CNN and trying to understand how to interpret the activation output. My CNN takes input from 3 channels (RBG picture) and the first layer is ...
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Distplot 'a' parameter, does not make logical sense to me, can anyone explain?
Most sns plot parameters have names that make somewhat logical sense,
For example scatterplot has the x attribute to choose what to plot on the x-axis, and y for y-axis. Similarly kdeplot uses the ...
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What is the correct name for a stacked bar chart with a single bar (series), and many stacked segments?
I had a treemap that was better expressed in a linear format.
This resulted in a chart that I don't know the name of. It's something like a stacked bar chart, with just a single column/row:
(This ...
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3D projection - help understanding formula
I'm currently in the starting-phase of making a 3D projection in python. The problem I'm having is understanding the variables presented in the following article;
https://en.wikipedia.org/wiki/...
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How to best visualize or capture time interval between lab measurements?
I have a table like as shown below
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Visualization with many lines, colors, and markers
I have a bunch of plots as the one reported below. The data is from measurements performed on different times and different days.
In the plot (which is a cumulative distribution function, if that ...
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Methods to visualize the filters in the later layers of a CNN?
I've extracted the weights from the filters of a pretrained model (AlexNet). I wish to represent these weights visually, this works fine for the first layer as there is only 3 input channels so I can ...
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1
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101
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Distance metric for graph layout of correlation matrix?
I have a handful of N "things" for which I have a NxN symmetric correlation matrix. The correlations are a based on a custom scheme for quantifying similarity between complex things, with a ...
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Data Visualization Help [closed]
I am needing help with modeling some data to see if there is a correlation between two variables. I am wanting to know what would be the best math model to use to analyze the data. Right now, I am ...
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141
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Unsynchronized time series visualization
I would like to visualize a large amount of events composed of time serie windows. A typical event would be:
Problem is, my events are not synchronized, and so if I plot them all, it would look like:
...
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How to visualize ner dataset tagged using BILOU?
I have a dataset for ner which is tagged using BILOU tagging method and example of same is below
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Dealing with zeros when plotting log-scaled data [closed]
I have a non-negative variable and I'd like to plot it, log-scaled
I'm trying to understand how to deal with 0-values. One naive idea I had in mind is just to add <...
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Feature and the Gaussian Distribution (classification) [closed]
I have a question regarding variable following or not a random distribution.
I selected 4 features negatively correlated to the label (Fraud/No Fraud). The notebook I'm taking the inspiration from ...
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I want to prepare meaningful charts and polarization chart with the data I have
I am a bachelor student that is preparing a project for my network science course. I have some data that I got via questionnaire. This data shows people that they prefer studying online or in presence,...
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Why do we need data scientists if there are websites like this? [closed]
Very basic question about data science as I'm a beginner. I noticed that there are sites like illustrated below, that help visualize and analyze data so that the business owner can have a better ...
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Do i need to handle missing values before EDA?
I am working on a data set and there is an interesting column with missing values, but I don't want to discard the rows (so as not to lose data from other columns) or do imputation (so as not to ...
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Getting different visualization results for jupiter and datacamp existing code shell. How to solve this? [closed]
The left one image is in jupiter notebook and the right one is from datacamp exercises. Can anyone please let me know why I am getting different results in Jupiter? Used hacker statistics to calculate ...
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Visualising feature selection results for multiple classifiers and feature subset sizes
I am using information gain feature selection technique to get different features subset sizes for my dataset, like so:
...
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Data calculation/normalisation /data summarisation
Clustering is done based on houses data and say suppose cluster 1 contains 5 houses.
Appliance 1 is used in 2 houses out of 5 and appliance 2 is used in 4 out of 5 houses.Each appliance produces an ...
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Not sure how to visual customer retention vs product line count
I created a customer retention grid that tracks customer counts by territory by year. The sales managers have loved it. The numbers were terrible, but now they know what they didn't know and can ...
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Time Series data visualization
When I visualize data using matplotlib it displays very well, but when using Plotly, the data display very bad.
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218
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Visualize n-dimensional bayesian optimization results
I am working on a 6-dimensional bayesian optimization problem using (skopt's gp_minimize).
After the optimizer ran for j iterations I would like to somehow visualize the "progress/result" of ...
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What is the name of this visualization with a circle and internal arcs?
I came across this visualization where there is a circle with data points on the circle and internal lines (arcs or edges) between the points on the circle. What is the name of this type of ...
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How to generate higher quality jpg plots on R [closed]
I have tried generating higher quality of data visualization plots from RStats. I tried increasing frame dimensions but it's still max at about ~350kb. How do I generate higher quality images from ...
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Which visualization tool should I use?
We consider the below function :
$f(x,y,z,a) = x*y*z*a$, where $x,y \in \mathbb{Q}\cap[0,1000],$ $ a\in\{2,3\} $
and $z=z(x)$, taking values from the below table based on the level-range that $x$ ...
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Interpreting vertical and horizontal parts of ROC curve
It's not clear to me how I can interpret vertical and horizontal parts of the ROC curve. What important information can I gain from this? This is a text from the book "Human-in-the-Loop Machine ...
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How to plot segmented bar chart (stacked bar graph) with Python?
cat = {'A':1, 'B':2, 'C':3}
dog = {'A':2, 'B':2, 'C':4}
owl = {'A':3, 'B':3, 'C':3}
Suppose I have 3 dictionary, each containing pairs of (subcategory, count). How ...
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Create a weighted graph from a continous text
My goal: plot a graph that shows how much the words of a large text are connected to each other.
My idea is that the closer the range between words, somehow affected by the occurence, the more ...
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Demonstrating and visualizing cluster centroid updates by using the first four iterations in Python?
I managed to create a dataset with 6 clusters and visualize it with the code below, now I would like to visualize demonstration of update of the cluster centroids in KMeans algorithm. This ...
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Information Visualization: which parameters should a data scientist plot to best explain the work behind a Neural Network?
I'm a beginner in the field and I wrote and trained my first Convolutional Neural Network from scratch. I would like to know what types of graphics and parameters a data scientist uses to plot to ...
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Show distribution of users affected by outlier response times
My dataset is performance metrics (response time) of a web page over the course of a single day.
The data looks roughly like this:
...
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How to get a (descriptive) overview of a large database?
I'm facing a data framework with
~ 20 k observations and
151 variables across
2078 subjects
At first I am primarily interested in how the data looks like related to a single parameter. But I cannot ...
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Appropriate visualization for this kind of data
Late edit: currently working through the FlameGraphs bibliography here. It looks like what I'm doing is similar to an icicle chart, but with passage of time on the x-axis. The author mentions ...
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Why does horizontal lines in plt.plot(feature, '.') mean that the data have been properly shuffled?
I am following a Mooc and in this lecture about visualisation in explenatory data analysis the lecturer claims that when plotting the row indexes against feature values, if we have lines on the ...
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2
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Coloring clusters so that nearby clusters have different colors
I have clustered a large number of points (~3000) into (~400) clusters. I want to plot the data and visualize the clusters. I want to make sure that nearby clusters have different colors. Can ...
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Visualising K-Means clusters for 3D data in R
I have an excel file that contains 485k rows x 3 columns of integer values. Sample data:
...
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