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Christian Testa

ctesta@fediscience.org

<p>Using mathematical models to advance health equity and health justice. PhD Student in Biostatistics at Harvard T.H. Chan School of Public Health. He/him ⧉ <a href="https://fediscience.org/tags/rstats" class="mention hashtag" rel="tag">#<span>rstats</span></a> <a href="https://fediscience.org/tags/CausalInference" class="mention hashtag" rel="tag">#<span>CausalInference</span></a> <a href="https://fediscience.org/tags/SpatialStats" class="mention hashtag" rel="tag">#<span>SpatialStats</span></a> <a href="https://fediscience.org/tags/HealthJustice" class="mention hashtag" rel="tag">#<span>HealthJustice</span></a></p>

Posts

  • Post #3040192

    An enjoyable read I stumbled on https://www.ecologicalcitizen.net/pdfs/epub-139.pdf How solarpunk can help us rewild our lives Ana Sun and Susan Kaye Quinn #Solarpunk

  • Post #3040191

    Is anyone in the US CDC / NIH even working on the Ebola Bundibugyo strain now? Over a year ago labs these were shuttered https://www.wired.com/story/hhs-niaid-irf-ebola-disease-research-stop/ We are losing so many years of critical research on infectious diseases that could save countless lives #InfectiousDisease #Epidemiology #PublicHealth

  • Post #3040190

    I&amp;#39;ve been reading about missForest today MissForest—non-parametric missing value imputation for mixed-type data https://academic.oup.com/bioinformatics/article/28/1/112/219101 https://github.com/stekhoven/missForest Runs much faster than `{mice}` in my experience, and I like the fewer parametric assumptions. The above article on missForest is David Stekhoven and Peter Bühlmann&amp;#39;s most cited article. #DataScience #statistics #academia #econometrics #Epidemiology

  • Post #2594111

    I’d like to start a conversation about the #accessibility of math. Someday I aspire to be a professor, and I want to be inclusive to students of a wide range of backgrounds and experiences, but math (esp. advanced math) is full of details that make it very hard for anyone with dyslexia, dysgraphia, challenges with attention span, etc. I know there’s some things I can do like providing notes / slides in advance so people don’t have to rely on my blackboard handwriting, and providing learning mat...

  • Post #2594110

    My research assistant sure seems fond of generating high quality evidence for treat(ment effect)s 🐾 #dogsofmastodon

  • Post #2594109

    https://hsph.harvard.edu/news/trump-administration-freezes-2-2-billion-in-grants-to-harvard/ Today basically every faculty I ran into at the Harvard School of Public Health told me they had their grants cancelled — for work they do towards promoting health and saving lives. I hope someday soon when you look at academic papers where the usual grant funding disclaimer would have been, that instead you will see “this paper was published in spite of the unlawful termination of grant XXXXXXX.” I...

  • Post #2594108

    Very proud to announce the first version of my new R package {nadir} was released today on CRAN! Check it out -- https://ctesta01.github.io/nadir/ {nadir} is a package for super-learning, which is ensemble weighting candidate machine learners together according to their estimated cross-validated risk on held-out data. #rstats #software #academia #DataScience #statistics #MachineLearning

  • Post #2594107

    I’ve been trying to read more carefully about instrumental variables and make up my mind about when IV arguments are scientifically convincing. Here&amp;#39;s a tension I keep running into: Should the scientific question alone determine the causal parameter of interest? Or is it legitimate for the target parameter to reflect an interplay between scientific interest and the identifying assumptions we actually find tenable? IVs can be difficult to interpret when instruments are weak, who “com...