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mistermcgruff

Churchill also took a 2 hour nap daily. The man would change into his damn pajamas to do it. Night time sleep is not total sleep. Let's stop glorifying folks who supposedly need so little sleep...they may be getting it other ways.
Re:Ask HN: Considerations when asked to write a book? on Tuesday July 19, 2016 @06:42AM (#12120947)
I wrote a technical book for Wiley. 12.5% royalties for paper sales. 25% for book. Negotiate the ebook rate.

The main thing that surprised me (which shouldn't have) was the complete lack of marketing Wiley did. You write it, you find the tech editors, you edit it. They assign someone to you who basically bugs you to turn in chapters. I had the cover designed myself so it wouldn't suck. Then it comes out and you are the one who has to market it. but for me it was fun just to do it.

Re:CEmu – TI-84 Plus/TI-83 Premium Calculator Emulator on Wednesday January 06, 2016 @12:40PM (#10852004)
All I know is that I spent two years deep in abstract algebra and other proof-heavy classes, and it was some of the best training in rigor and thoughtfulness I've ever had. Wouldn't trade it for the world. But, then again, most recent grads weren't math majors. I think my university of 30k graduated about 15 math majors a year.
Re:Fruit Mutiny: Whither the breadfruit? on Monday March 30, 2015 @09:44AM (#9289413)
I used to have a breadfruit tree in my yard in Tennessee. We would take the fruit as it fell and line it up in the street and watch cars run over them. Seeing them crushed was pretty satisfying (I was 9 years old at the time).

Then one day a car lost traction on our breadfruit gauntlet and the driver got terribly pissed. Haven't played with the fruit since.

Re:Postico – A modern PostgreSQL client for OS X on Thursday February 19, 2015 @03:56PM (#9076980)
This has not improved. However, instead of using screen in a terminal to do a long create table query, I'll now just kick it off in pgAdmin and yank my ethernet. This causes the query to just hang out there indefinitely until it's done. Stupid, yes. But it's kinda fun.
Re:When Children with Autism Grow Up on Monday February 09, 2015 @11:23AM (#9021956)
Yeah. Autism is diagnosed by symptoms and the symptoms have changed over time. It used to be that an individual had to actively avoid social contact. Now they just need to be socially impaired even if they seek contact. As the symptoms have changed and as awareness has increased in the medical community, so have diagnoses increased.
Re:The Perilous World of Machine Learning for Fun and Profit on Tuesday January 06, 2015 @03:18PM (#8846668)
A semester of linear algebra (or just a willingness to Wikipedia a few things) plus Excel experience is all you need.

That said, the book does require a lot of effort, because the techniques are worked through step by step.

But once you learn all the guts of the algorithms, you never have to implement them again! The last chapter moves the reader into R package land with the confidence that you now know what those packages are basically doing and what to watch out for.

Re:The Perilous World of Machine Learning for Fun and Profit on Tuesday January 06, 2015 @03:16PM (#8846652)
If you've got a college semester of linear algebra under your belt (or equivalent) and are pretty good with Excel, then the book is a good fit. Even the algebra can be optional if you're willing to use wikipedia liberally. I don't take for granted that the reader has a lot of background.

That said, there are parts in the book that are really quite hard. Hard in that they just take time to work through. Because the book is about learning all the steps that go into training models and doing analyses from scratch. But once you do it all from scratch once, you don't necessarily have to ever ever do it again.

It's taught in Excel for learning purposes, and then the last chapter moves you into R. Literally, the Holt Winters forecasting chapter of the book is 50 pages while in R it's the forecast package plus 3 lines of code.

Re:The Perilous World of Machine Learning for Fun and Profit on Tuesday January 06, 2015 @12:50PM (#8845784)
Hey, author here. It does sound kinda bigoted, doesn't it? Lemme clarify. I would really love for more people to learn this stuff. Truly. That's why I wrote a book to teach it to folks in Excel. What freaks me out a bit is that in order to enlarge the ML pie, a lot of vendors are trying to democratize machine learning not by teaching it to more people but by putting the gun in hands of folks who don't actually understand how supervised machine learning works and where it can go wrong.

I don't think people need PhDs to learn or do this stuff. But I think they need more than a "machine learning made easy!" app and a gung-ho attitude.

I feel that I'm halfway between main street and an ivory tower...not sure where that puts me. The upstairs bar at a pizza parlor?

Re:Accelerate Excel – 100x faster spreadsheets on Thursday July 31, 2014 @01:42PM (#8115697)
I make Excel choke regularly. For example, copy-pasting a complicated vlookup down 1 million rows takes forever.
Re:The AI boss that deploys Hong Kong's subway engineers on Saturday July 05, 2014 @04:01PM (#7992829)
Sounds more like a classic optimization model (operations research) than like an AI model. Great case study though. I wonder why they used a GA and custom stuff instead of off the shelf software from gurobi or IBM OPL etc.
Re:Never Pay Hotels for Internet Again on Monday June 02, 2014 @01:28PM (#7834641)
Another way to get free internet in hotels is to tell them it was shitty internet when you check out. It always is shitty (just try watching a movie on it!). They always credit it back to me.

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