Norbert Köhler

Statistik in Leipzig: Vornamen 2014 – 2025 scriptsandstatistics.wordpress.com/2026/03/18/sta… #rstats #leipzig

To celebrate publication, @CRC_MathStats is giving away a signed copy of '#LinearMixedModels' by @bradytwest, Kathy Welch, and Andrzej Galecki. Please follow me, like and retweet to be in with a chance of winning! Deadline is Friday July 29. #Statistics #DataScience #RStats

@pablo_alvrez @coolbutuseless Very nice! :-) Is the data set publicly available?

Having a fxxxing learning experience with Tarantino data set this weekend. Playing around with ggpattern while figuring out how to overlay bar columns. #rstats #dataviz #datavisualization

How to create a descriptive summary table (‘table 1’) using R scriptsandstatistics.wordpress.com/2021/11/01/how… #RStats

@JOSS_TheOJ The doi address doesn't seem to work. Has there something gone wrong?

Just published in #JOSS_theOJ: 'presize: An R-package for precision-based sample size calculation in clinical research' doi.org/10.21105/joss.…

@omgubuntu Sounds like a joke! :-)

GNOME Designers Experiment with a Bottom Bar #opensource omgubuntu.co.uk/2021/04/new-gn…

I've been experimenting with using #dplyr to perform batch tasks by 'plugging it into' other functions. Super interesting possibilities here I think - I've written some simple examples. #rstats #r4ds #datascience #analytics #tidyverse towardsdatascience.com/five-things-yo…

'Batch-fitting' model formulas with #dplyr and #broom #rstats #r4ds #DataScience #stats #analytics

@thomas_neitmann I've found some interesting thoughts on missing data in stefvanbuuren.name/fimd/sec-probl…

Am I the only one thinking that `na.rm = TRUE` should be the default in `mean()`, `sum()` and co? #RStats

Gertrude Cox was a pioneer in experimental design and was the first woman elected into the International Statistical Institute in 1949. 🖼source: Wikipedia

@thomasp85 Maybe you should turn of the choke when the motor is running?

Anyone in my twittersphere knows what could cause this motor to start without problem but after a minute or two suddenly begin to run faster and then stop?

@thomas_neitmann You should give the sticky package a try (cran.r-project.org/web/packages/s…).

Trying this inside `mutate()` (expectedly) gives a syntax error. Using the walruss operator doesn't help either. Any hint on how I can keep attributes of a vector when using the #tidyverse in #RStats?

Just discovered this #RStats gem. If you assign to a vector using `[ ]` it will keep all attributes 🥳 If you work a lot with labelled data coming from SPSS or SAS that's a BIG deal. So excited I came across this. Unfortunately this doesn't work inside `mutate()`, though 😢

Another great addition to upcoming #rstats #dplyr: the so-called "Context dependent expressions". For example, combining cur_data() with rowwise() allows you to fit models on nested tibbles without the need for {purrr}! Compare the following and see what you prefer:

Scoring Questionnaires: QSCORER version 0.0.10 has been released #rstats #qol scriptsandstatistics.wordpress.com/2020/01/31/sco…

I JUST MADE A #SHINY INPUT OUT OF SVGs TO SELECT BODY PARTS! #rstats (I'm not crazy, this is really cool right??)

I was just wondering if this would work and it does! Neat lil R trick: if you have a function that doesn't play nice with the pipe, just pipe to with() and now it works (assuming what you're piping is a data frame). I'm gonna use this for a lot of table()s.

Formatting p-values: A curated list of R functions #rstats scriptsandstatistics.wordpress.com/2019/09/22/for…

An oldie but a goodie: Teaching #ggplot2 for the first time? We suggest not jumping into the code right away, but doing an example of the Grammar of Graphics on the board and by hand real slow 🐢🐢🐢 at first! 1/6