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stevenae

The quantitative ux research team at Google was created for exactly this problem: a service which became popular before the right metrics existed, meaning metrics need to be derived first, then optimized. We would observe users (irl), read their logs, then generate experiments to improve the behavior as measured by logs, and return to see if the experiment improves irl experiences. There were not many of us and we are around :)
This helped me, coming from an ml background: https://randomrealizations.com/posts/xgboost-explained/
Others mentioned county data. If you can get that, you can build something like I did for DC -- https://colab.research.google.com/drive/1Kep_9j_PN_SxX85PYHE...
My reading of this situation is that MAPE would do the opposite. Means are skewed towards outliers.
Thanks for the reply! I am outside the forecasting sphere.

RMSLE gives proportional error (so, scale-invariant) without MAPE's systematic under-prediction bias. It does require all-positive values, for the logarithm step.

To clarify, you'd prefer rmsle?
For this and sibling -- yes. Essentially, using the output of any model as an input to another model is transfer learning.
> Lately, I just steal embeddings from big models and slap a dumb classifier on top. Works better, runs faster, less drama.

You may know this but many don't -- this is broadly known as "transfer learning".

Thank you!
How accurate is his claim that Augustus became emperor through (my paraphrasing) democratic means and promises to fix real problems for Romans?
This still strikes me as escapism.
There was a saying at Google, I code for free, they pay me for XYZ (literally everything else).
Re:Cameras of 1930s Era on Thursday February 06, 2025 @08:47AM (#42962242)
I guess my quibble is with the percentage, then. A good, cheap, plentiful camera belies the idea that only the top 0.1% of cameras were good.
Re:Cameras of 1930s Era on Thursday February 06, 2025 @07:32AM (#42961746)
Disagree with the first piece about only using the top 0.1%. I grew up (through my 20's) shooting on a Pentax K1000, cheap workhorse of a camera, and I preferred its ergonomics to top-end mirrorless cameras I use today.
Re:Ask HN: Who wants to be hired? (January 2025) on Saturday January 04, 2025 @05:42PM (#42598214)
Location: Washington DC USA

Remote: Hybrid or Remote

Willing to relocate: NYC

Technologies: r, python, sql

Résumé/CV: https://www.linkedin.com/in/steven-ellis-4b140533

Data scientist looking to continue product-focused work!

Pro cameras do not do this to any degree.

Edit: by default.

Re:Is Python That Slow? on Friday November 22, 2024 @07:35AM (#42213326)
This is not true. R shines for classical stats and ML. If you are doing deep learning, you need Python.
From the guidelines [1]: Please don't sneer, including at the rest of the community.

1. https://news.ycombinator.com/newsguidelines.html

Re:Guys Hacked AirPods to Give Their Grandmas Hearing Aids on Thursday November 14, 2024 @01:59PM (#42139840)
Save you some scrolling (link directly to comment):

https://news.ycombinator.com/item?id=42119697

Re:Debugging Compiled Code for R with Positron on Friday November 01, 2024 @02:15PM (#42019924)
Fellow R / Polars user here. How (in what applications) do you use DuckDB?
Re:New Mac Mini with M4 on Tuesday October 29, 2024 @12:08PM (#41985708)
Airplay? Lunadisplay?
Very much seems to be the case
Re:Ask HN: Who wants to be hired? (August 2024) on Thursday August 01, 2024 @06:12PM (#41134173)
Location: Washington, DC

Remote: Yes, EST-PST

Willing to relocate: Limited

Technologies: Python/R, SQL, MapReduce, Causal Inference, Experimentation, Tabular ML

Résumé/CV: https://www.linkedin.com/in/steven-ellis-4b140533/

Email: On LinkedIn

I am a data scientist and machine learning engineer with several years of experience across startups, corporations, and the federal government. I first learned to program as a child with Logo, then as a teenager with C++ and Java, settling now on Python after stints with R and Javascript.

Re:Ask HN: Boss thinks I'm dumb, now what? on Monday June 17, 2024 @03:59PM (#40710352)
Have dealt with this a couple of times. I see you're feeling some kind of reaction. I recommend talking it out with someone (professional therapist or otherwise). Often times a frustrating relationship has a clear path to amelioration, but it takes "seeing with fresh eyes".
Not suggesting you, or sibling comment, use this, but posting for awareness: https://www.404media.co/people-in-the-philippines-are-callin...
I'm not disagreeing with that, just stating how they define the term.
I haven't seen this reported. Do you have a source?
Exclusion Criteria:

...

- Current engagement in alcohol treatments, or currently engaged in intentional efforts to quit alcohol use

...

~ https://clinicaltrials.gov/study/NCT05520775

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