marcle

5 ms·

1.
by marcle 19d ago
Tobacco control advocates sometimes referred to a "scream test": the more vigorously the industry opposed a measure, the more likely that the measure was effective.
2.
Best workflow engine is a programming language(vercel.com)
1 points by marcle 20d ago|0 comments
3.
by marcle 2y ago
Answering my own question: Umbra and PostgreSQL include "#" as an operator for bitwise xor, whereas DuckDB does not.
4.
by marcle 2y ago
This is very interesting code that uses Umbra v0.2-957, PostgreSQL 17.2, and DuckDB v1.1.3. One minor point: some of the problems could not be implemented in DuckDB due to a missing xor operator - but the documentation includes an xor funct
5.
by marcle 2y ago
Nice childhood memories: "Thunderbirds are go!" I always wondered how the palm trees were able to be flattened:).
6.
by marcle 2y ago
This is a very interesting IDE to support data science. Has anyone tried using the Eclipse Theia IDE for data science? One of these IDEs may finally entice me away from ESS, magit and Org Mode.
7.
Fun with Positron: Combining the Best of RStudio and VS Code(andrewheiss.com)
2 points by marcle 2y ago|1 comments
8.
by marcle 2y ago
"PSA" can also be probabilistic sensitivity analysis. I do health economic evaluations for prostate cancer screening -- which leads to interesting ambiguities:).
9.
by marcle 3y ago
The article references the SSJ Java package which is developed by the author and his colleagues. This provides implementations for many RNGs -- and some nice tools for simulations: https://github.com/umontreal-simul/ssj
10.
by marcle 3y ago
And see the discussion at https://discuss.ocaml.org/t/owl-project-concluding/14117
11.
Owl project (OCaml scientific computing) formally concluded(github.com)
3 points by marcle 3y ago|2 comments
12.
by marcle 3y ago
See also some discussion at https://www.reddit.com/r/ocaml/comments/1au329z/owl_project_...
13.
by marcle 3y ago
ErgoAI is as "an enterprise-level extension of the Flora-2 system" which was recently open-sourced: https://github.com/ErgoAI . It seems to be well documented.
14.
by marcle 3y ago
See https://fricas.github.io/ , which includes a 990 page book and detailed documentation.
15.
by marcle 3y ago
This is a nicely balanced discussion of the two languages - with much food for thought.
16.
8 months of OCaml after 8 years of Haskell(discourse.haskell.org)
13 points by marcle 3y ago|1 comments
17.
by marcle 3y ago
I wrote a purely functional AD library in Mercury [0], which adapts a general approach from [1]. I believe that Owl provides a similar approach [2]. [0] https://github.com/mclements/mercury-ad [1] https://gi
18.
by marcle 3y ago
The following homage to Aphyr’s "Typing the technical interview" solves the N-queens problem using types in Typescript. This is both funny and insightful. https://www.richard-towers.com/2023/03/11/ty
19.
by marcle 4y ago
Waldek Hebisch, who is the maintainer for the Fricas computer algebra software, also maintains a 64-bit version of Poplog for amd64/x86_64: https://github.com/hebisch/poplog https://www.cs.bham.ac.uk&#x
20.
by marcle 4y ago
This is a free book on Owl. I have only looked at the chapter on automatic differentiation - and it looks good.
21.
Architecture of Advanced Numerical Analysis Systems(link.springer.com)
1 points by marcle 4y ago|1 comments
22.
by marcle 4y ago
I find the solutions from https://github.com/qobi/AD-Rosetta-Stone/ to be very helpful, particularly for representing forward and backward mode automatic differentiation using a functional approach. I used this co
23.
by marcle 4y ago
My go-to projects have varied over time: 1. An implementation of Fisher's exact test for 2x2 tables. This adapts the algorithm from R's fisher.test() function, which was implemented with function closures for optimisation, which d
24.
With Delta Lake, Databricks sparks an open-source nerd war(protocol.com)
3 points by marcle 4y ago|0 comments
25.
by marcle 5y ago
Another relevant software category is the statistical analysis languages, including SAS, Stata and SPSS. Old-school SAS included only two data types (floats and character strings), but allowed for SQL and sequential data-steps to live toget
26.
by marcle 5y ago
This is a very interesting article. The author notes: "There is a compiler for KL1 to C available [2], which seems to work, but suffers from bit rot." Note that Ueda and colleagues have been updating this software (KLIC): see htt
27.
Comparing SQLite, DuckDB and Arrow with UN trade data(pacha.dev)
246 points by marcle 5y ago|79 comments
28.
by marcle 5y ago
TLDR: Arrow and DuckDB provide fast database aggregates compared with R's RDS format and, to an extent, SQLite. It is unclear how much functionality is available for Arrow under R: any comments? It would also be interesting to see a si
29.
by marcle 5y ago
+1. I was about to post an almost identical comment.
30.
by marcle 5y ago
This could also be R, which allows for `function(x) {f(x)}` and (since version 4.1) `\(x) {f(x)}`.

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