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UDF in Google's BigQuery: An example based on calculating text readability

In my data science workflow, I have recently started to heavily utilize Google's BigQuery which allows you to store and query large data in SQL style. Internally, Google uses their enormeous processing power in order to guarantee blazing fast queriees; even

Posted in Coding, General

Bayesian Correlation with PyMC

Recently, I have been getting more and more interested in Bayesian techniques and specifically, I have been researching how to approach classical statistical inference problems within the Bayesian framework. As a start, I have looked into calculating Pearson correlation. To that

Posted in Coding, General, Statistics

Statistical test for randomness in categorical data sequences

Previously, I worked a lot with sequences consisting of categorical data. For example, sequences of categories where the set of categories is finite. As a prerequisity of my further modeling approaches of such data, I was interested in first applying a statistical

Posted in Coding, General, Research, Statistics

Not every long tail is power law!

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As a fellow researcher you most likely get in contact with long tail distributions frequently. Maybe the most prominent heavily tailed distribution is the frequency of words in a text corpus. But also in the fields of social media research

Posted in Coding, Research, Statistics

Bridging the gap between coding and writing - or how to make a researcher's life easier

Some fellow researchers might know one of these two problems: You produced the most awesome plots for your Latex document and on the last day before submission you want to change the label of the y-axis of a plot. Shortly

Posted in Coding, General, Research