Frank Harrell
f2harrell.bsky.social
Frank Harrell
@f2harrell.bsky.social
Professor of Biostatistics
Vanderbilt University School of Medicine
Expert Biostatistics Advisor
FDA Center for Drug Evaluation and Research
https://hbiostat.org https://fharrell.com
I just posted a critique of this paper at discourse.datamethods.org/t/critique-o... where I hope others will add their thoughts #StatsSky #EpiSky #Statistics #rct
November 9, 2025 at 3:56 PM
Here’s the example: hbiostat.org/bbr/images/a...
November 6, 2025 at 12:47 PM
Ordinal semiparametric cumulative probability models have an amazing variety of statistical methods as special cases, including proportional odds and proportional hazards models - hbiostat.org/rmsc/ordsurv... #Statistics #StatsSky
October 20, 2025 at 3:51 PM
#Statistics thought of the day: The Central LIMIT Theorem hbiostat.org/bbr/htest.ht... #StatsSky
July 15, 2025 at 4:27 PM
I lost Galben in 2019 and still think about him a lot. We had a deep connection.
June 13, 2025 at 7:01 AM
The #rstats qreport package for assisting with report writing using Quarto has a new function makegvflow that allows users to easily make graphviz flow diagrams by specifying plain text with indenting to define the hierarchy. An example is at hbiostat.org/rflow/rforma...
April 14, 2025 at 8:02 PM
Nashville is a winter wonderland today
January 10, 2025 at 9:48 PM
3/3 The third way to make code more readable is to use Quarto's wonderful code annotation syntax. When you hover over one of the circles, the annotation pops up. #rstats
November 14, 2024 at 8:01 PM
2/3 The second way to make compact code more readable is to include comments providing little diagrams to dissect the code #rstats
November 14, 2024 at 8:01 PM
I continue to add #rstats how-tos to my online R Workflow e-book at hbiostat.org/rflow
April 7, 2024 at 3:26 PM
Lots more yaml that applies site-wide, e.g.
March 25, 2024 at 5:52 PM
#statistics thought of the day, from hbiostat.org/bbr/change#s...
November 28, 2023 at 9:00 PM
Spike histograms work for all sample sizes and for extreme frequencies of tied values.
November 27, 2023 at 12:49 PM