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Showing posts from November, 2019

downloading folders from google drive.

I wanted to download some course material on RL shared by the author via Google drive using the command line.  I got a bunch of stuff using wget a folder in google drive was a challenge. I looked it up in SO which gave me a hint but no solution. I installed gdown using pip and then used: gdown --folder --continue https://drive.google.com/drive/folders/1V9jAShWpccLvByv5S1DuOzo6GVvzd4LV if there are more than 50 files you need to use --remaining-ok and only get the first 50. In such a case its best to download using the folder using the UI and decompress locally. Decompressing from the command line created errors related to unicode but using the mac UI I decompressed without a glitch.
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AWS CloudFormation Pros and Cons

AWS CloudFormation Pros and Cons So I'm building a PAAS product that does ML based optimisations and that means doing work in the cloud. The ML is a neat feature but without the basic product nothing will happen and to bootstrap this project on AWS I tried to make use of CloudFormation a service that automates creation and destruction of service stacks. Based on a week's worth of experimenting with CloudFormation I will try to answer the question: "Is learning CloudFormation worth the effort?" Despite the rant CloudFormation support creation, updating and deletion of entire stacks of services. SAM is built on top of CloudFormation and It has a visual editor. The way CloudFormation is described, is that you can copy paste snippets to create resources and build a library of reusable components. This is a simplistic point of view. In reality you need to bring properties, specify dependencies, and introduce signalling mechanisms to ensure your template works. T...
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Random Thoughts on Linear Regressions

Regression Analysis TLDR Regression is the oldest and most powerful tool in a data scientist's toolbox. Under ideal conditions multiple linear regression would be the best and only tool a data scientist would want to use... In reality you would use a modern nonparametric variant or a different algorithm. Still, the main ideas I . discuss here  will pop up in many other models and algorithms. This post is my brain dump on regression - I'll update it as time allows to cover the many aspects of this technique.
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Big Data Analytics Israel - New Year, New Data Scientist Job: 5 Things To Think About

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Data science interviews can be over whelming  New Year, New Data Scientist Job: 5 Things To Think About My notes: https://www.meetup.com/Big-Data-Analytics-Israel/events/253124286/ The first talk was by: Raya Belinsky -  "New job - yes or no?" The talk about finding your next job or reinventing your current jobs. Miss Belinsky's humour and background as an executive life-coach made this talk both pleasant and worth-while. She covered her operational definition of job burnout Linkin profile - complete the profile (it tells you what to do) The CV - ask 2 people to prepare it The Interview - e.g. prepare 3 questions Each had at least a couple of points worth taking care of in your next round of job search. Check out the talk and slides when they go online. Second talks by: Nathaniel Shimoni - "Life story" Mr Shimoni is an experienced story and had a compelling story to tell and his own twiting path to  becoming  a da...
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Moodle <=< Mediawiki SUL integration - first thoughts

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SUL is  Wikipedia's  Single User Login system The goal is to use it to authenticate moodle users there is one caveat - what happen if  the moodle user has no account. Moodle and MediaWiki account creation require different information. Since we'd like to use MediaWiki's standard which is highly permissive. It is necessary to change  moodle's requirements. Challenges Moodle does not explicitly define an object for setting registration requirements.  This needs to be accomplished by admins via edit a number of files manually.  errors will place the users in a limbo/blocked state... This is implemented differently on different version of moodle. This will break if the changes are overwritten by a system is upgrade. Directions Ideally Moodle should have a registration policy  object which allows the admin to define which fields are required and if they nee...
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