Data Science Stack Exchange
Data Science Stack Exchange

Questions tagged [tableau]

62 questions
13
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3 answers

What do Python's pandas/matplotlib/seaborn bring to the table that Tableau does not?

I spent the past year learning Python. As a person who thought coding was impossible to learn for those outside of the CS/IT sphere, I was obviously gobsmacked by the power of a few lines of Python code! Having arrived at an intermediate level…
Uralan
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5
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4 answers

Where can I find resources and papers regarding Data Science in the area of Public Health

I'm quite new to Data Science, but I would like to do a project to learn more about it. My subject will be Data Understanding in Public Health. So I want to do some introductory research to public health. I would like to visualize some data with the…
Claus Machholdt
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4
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4 answers

How to visualise multidimensional categorical data with additional time dimension

I am trying to visualize a dataset that registers the career of people in an organisation and their backgrounds before starting in that particular organisation. I 'd like to show how individuals are positioned in the space based on their background…
Yannis P.
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4
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2 answers

List of used aliases in Tableau

I often get the problem when this or that alias name is already used somewhere, and I can't easily find that variable or aggregation to release the name. Is there some place in Tableau where I can view/edit/reset full list of aliases?
IgorS
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4
votes
2 answers

What are the differences between multivariate data visualizations and multidimensional visualizations?

I believe this should be the correct place for this topic since it did not seem to fit naturally on the math Stack Exchange. I am writing an essay about data visualization, but am having trouble nailing down some terminology. I used data from the…
Wesley Duckett
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3
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2 answers

When Should I Use ggplot2 Instead of Tableau?

I am a student getting started with Tableau for the first time. My proficiency with ggplot2 is intermediate. I can create custom versions of the most popular kinds of charts in ggplot2 but nothing too fancy (and not very time-efficiently). I am…
SKOR2
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3
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2 answers

Use Pivoted / Filtered Data as the basis for a Report?

I have a worksheet in Tableau that is organized into rows and columns and filtered on an aggregate calculation just the way I want it. I'd like to make a report based on this workbook's results but I need it to show more fields than those in my…
Missy Aprea
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2
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0 answers

Tableau - Take row-wise data and pivot it to have an output table based on separate table of product hierarchies

I have sales data with a unique customer ID on each row and their corresponding sales by Product on columns. I have a separate table for product hierarchy, which has a mapping of all products (column names) and the corresponding product hierarchy. I…
Not Quite A Statistician
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2
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1 answer

Tableau can be used as a big datastore as well?

Company wants to use Tableau solution for visual reporting. The inputs are various files. The plan is to use latest SQL Server as database and server. Q. Does Tableau has their own database ? Can perform own reporting without SQL Server?
Rachayita
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2
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1 answer

Change raw count to a proportion based on a filter in Tableau

In Tableau, I commonly want to carry out a task like distinguishing 2 groups by various measures. The example below shows the difference in the count of 2 treatment and control for variable levels of a factor (measure): This view is misleading…
Hack-R
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2
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1 answer

Data type detection in Tableau

When you connect a data source, Tableau automatically infers the type of each column of your data. Whether it's Number (decimal), Number (whole), String, Boolean, etc. A few questions about this: 1) Has Tableau ever misclassified one (or more)…
Rohan Kadakia
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2
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2 answers

Breaking down a column in Pandas into a separate CSV for display in Tableau

My data is coming from a CSV, which should be visualized in Tableau. However, the data contains the column category_list, which consists of values separated by a vertical bar (|). Since Tableau can't handle arrays inside of attributes, I used Python…
Peter Gerhat
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2
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1 answer

Output data from scikit learn logistic regression

I have run a logistic regression using scikit learn in python. I know want to output the results to put into a csv and then load into Tableau. To do that I need to combine the y_test, y_actual, and X_test data. I was wondering if there's a way to…
user57759
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2
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1 answer

Best practice for computing week-over-week change in MAU metric

When we calculate week over week change for a metric like "Monthly active users", we often refer to a calculation of SUM(This week) - SUM(Last week)/SUM(Last week), which means we will run total of this week's number first, and then compare to the…
machineok
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2
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1 answer

Tableau year-to-year change in grand total

New to Tableau and having some problems with a calculation I thought would be easy. I have data with one value per month running across a few years. I would simply like to display a table with the change from month to month in percent and the change…
Niclas
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