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
2
votes
1answer
30 views

Is my dataset unbalanced?

So I'm trying to implement Nvidia's end to end driving paper to simply have an agent in Carla follow the lanes. I'm trying to predict the steering angle of the car based on the RGB images from the ...
-1
votes
1answer
17 views

What is the purpose of 'col' argument in 'pairs' graph function?

Hello I'm new to data science with R. I'm investigating the dataset Auto of ISLR, used for predicting if mpg is low or high using all other attributes. I'm using the following code to create a ...
0
votes
0answers
5 views

visualize sampling distribution of a covariance matrix

I am looking to show how covariance matrices vary over samples. Any suggestions or ideas for how it could be done graphically? I want to do this in a non-parametric sense without assuming particular ...
0
votes
0answers
34 views

What is a good way to represent my dataset visually?

I have a dataset that describes: Multiple patients, who record multiple vital signs (blood pressure, heart rate, etc) every time they visit the doctor. Each patient visits the doctor several times. ...
0
votes
0answers
21 views

How to add x and y error bars on a Bokeh python scatterplot?

I have a bokeh scatterplot which I would like to add error bars in both the x and y direction. Is there any way to easily add this to each data point on the graph?
-1
votes
0answers
20 views

Data source for global corona infection chains [migrated]

Even though there is plenty of public data, I cannot find a source for the global infection chains of Corona. In other words, I am interested in the data that shows from where each infection has been ...
0
votes
1answer
14 views

Help with breaking up a column in PowerBI to make a bar chart

My data set is a list of documents. I have a column in my data set - 'Independent Variable'. This column can contain nothing, i.e. 'NA', or one variable, i.e. 'var1', or multiple, i.e. 'var1;var2;var3'...
0
votes
1answer
33 views

Are there better solutions on visualizing of two variables having very different range and mean on same graph?

I'm now working on an analysis comparing time consuming of a pairwise experiment. AI and human processed same subject in experimental group and processing time recorded. The time consuming of AI are ...
1
vote
0answers
21 views

Trouble with plotting time series data

I am doing something wrong with X in these time series plots, but what? This code using plotly yields the following ridiculous time series line plot: ...
2
votes
0answers
18 views

How to visualize grouped clusters in a graph

I was trying to use Gephi, which seems to have a 'group' feature in some of the WIKI explanations, but actually does not appear in my GUI. There is a tool that creates groups from partitions, but it ...
0
votes
0answers
19 views

Identify book this Data Viz is from?

Source video: Steve Jobs, "Computers are like a bicycle for our minds." Can you identify the book this is from? (Reason I'm asking: I want to understand the X and Y axes here.)
0
votes
0answers
13 views

Physical interpretation of contribution of a feature in regression

I have built a random forest regression model for credit underwriting. But the business doesn't appreciate a black-box approach. So, using treeinterpreter, I have ...
2
votes
1answer
27 views

What can we understand from max-activation generated images?

There are several approaches to generate psychedelic images, providing maximum activations for individual neirons in convolutional neural networks. For example there is a lot of them there https://app....
2
votes
1answer
20 views

Combining time-series data from different devices

I am using four different sensor models (four different devices) to gather some biometric data(eg. heart rate) for the same user, for the same time period. In an ideal scenario, all the devices are ...
0
votes
1answer
29 views

How should I read the following heatmap?

I've been playing around with the linear regression, and I was thought that before commencing it's always good to plot an heatmap to see whether there are features that somehow is worth testing for ...
2
votes
0answers
17 views

Visualizing the difference of a set of strings

I have a distance metric on a collection of strings on the order of tens of thousands. What would be an intuitive way to summarize how 'different' these strings are or when they overlap? My goal is ...
0
votes
1answer
35 views

How to drop points from a data series for presentation?

We monitor long running industrial engines and we have data series that we want to present on a line chart on a web page. For instance, we have sensors that monitor the oil temperature and pressure on ...
0
votes
0answers
128 views

State of the art of Python dashboards (Bokeh, dash)

The idea is to do a dashboard. I am reading in internet and what I am founding is a bit outdated:2017, 2018. My question is what is the state of the art in Python dashboards? There are several posts ...
0
votes
0answers
8 views

How can partial dependence help us see whether a dip in the data is caused by external factors or not?

I'm watching this FastAI course, and we're trying to predict the price of bulldozers. At one point, we figured the year the bulldozers were made is very important, so we plotted a graph with x = year ...
1
vote
0answers
30 views

How to get similar visualization to R fviz_cluster function in Python?

It looks like R has some cool visualization function for clusters that gives output like this: The input is 2D Points and labels for them. How can i get same visualization in Python?
2
votes
2answers
49 views

Is it possible to patent a new general method of optimizing some industrial processes?

I have finished a new method (implemented as an algorithm/software) which exploring data inputs obtains a sequence of steps, appliable for different industrial processes, that reduces drastically ...
1
vote
1answer
35 views

What does 'lm' mean in the lmplot() in seaborn?

I was learning seaborn, but could not find the full name of lmplot. What is 'l' and 'm' in the name 'lmplot'.
2
votes
0answers
16 views

Bubble Chart Data Visualization in imPower/Microstrategy ordering incorrectly

Apologies if this isn't the right community for this, I could not find a "data visualization" site so I felt that this was the closest fit. I'm currently attempting to build a bubble chart ...
3
votes
0answers
28 views

Approaches to choosing number of bins in histogram

Choosing the number of bins in a histogram has always been something that gets me thinking a lot. Based on the number of bins chosen, the graph at time looks a lot different and also could lead to ...
1
vote
0answers
27 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
1k 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
62 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
18 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
56 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 ...
1
vote
0answers
34 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
24 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
19 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
20 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
23 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
31 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
42 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
43 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 ...
1
vote
2answers
48 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
40 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
32 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
27 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 ...
2
votes
1answer
25 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
43 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
47 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
19 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
33 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
28 views

Visualizing Variance / Standard Deviation for categories

Data Structure: ...

1
2 3 4 5
9