Category: R News
I’m currently working on a paper (with my colleague Vincent Vergnat who is also a Phd candidate at BETA) where I want to estimate the causal impact of the birth...continue reading.
Below is a piece of Python code allowing to download option chains from NASDAQ website. It is basically a big function relying heavily on BeautifulSoup and wrapped into a class (‘c’est chic’)....continue reading.
A new release of stringdist has been accepted on CRAN. stringdist offers a number of popular distance functions between sequences of integers or characters that are independent of character encoding....continue reading.
I will be teaching a course on statistical regression models for repeated measurements data, and I thought of creating a shiny app to let students run the code used in...continue reading.
When modeling the frequency measure in the operational risk with regressions, most modelers often prefer Poisson or Negative Binomial regressions as best practices in the industry. However, as an alternative...continue reading.
Consider the following two spark dataframes:df1.show()+—-+——+——-+|id_a|time_a|value_a|+—-+——+——-+| 1| 1| CA|| 1| 2| CA|| 2| 1| TX|| 3| 5| NE|| 4| 6| WA|+—-+——+——-+df2.show(…continue reading.