Paul Graham on Twitter: "California:… "

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Huda Nassar‏ @nassarhuda 26 May 2020

Huda Nassar Retweeted The Julia Language

I had so much fun working on this data science course! One aspect of the fun I had was learning interesting information about the data I used. I share my learnings here and look forward to hearing about yours. #julialang #datasciencehttps://twitter.com/JuliaLanguage/status/1265278348005122049 …

Huda Nassar added,

The Julia Language @JuliaLanguage

Announcement: we have a brand new “Julia for Data Science” course launching on JuliaAcademy today! Learn from Dr. @nassarhuda about how to set up and complete a data science project. Register here: https://juliaacademy.com/p/julia-for-data-science/?preview=logged_out … #JuliaLang #OpenSource #DataScience

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Huda Nassar‏ @nassarhuda 26 May 2020

The next time you visit Yellowstone National Park to check out the Old Faithful geyser, know that if you wait for too long for the geyser to go off... you are likely to witness a longer eruption.pic.twitter.com/gQ2dn3QEBt

2 replies 2 retweets 12 likes

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Huda Nassar‏ @nassarhuda 26 May 2020

We use a cars dataset of car models with features such as horsepower and cylinders (& 5 more). We perform dimensionality reduction on this data & find out that European/Japanese cars cluster together whereas American cars form their own two clusters. But why? I'd love to find outpic.twitter.com/pZBMWcMktH

2 replies 1 retweet 6 likes

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Huda Nassar‏ @nassarhuda 26 May 2020

We perform clustering on houses in CA based on their geographic location. If anything, these clusters showed that housing prices isn't directly mapped to neighborhood -- there is a pattern in the prices themselves but that seems to be mainly determined by closeness to the water.pic.twitter.com/qdcB5Z5Fy7

2 replies 1 retweet 7 likes

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Huda Nassar‏ @nassarhuda 26 May 2020

We run several classification methods: Lasso, Ridge, Elastic net, Decision tree, Random forest, Nearest Neighbors, and Support Vector Machines (on the famous Iris dataset) and built a score board of these methods. I'd love to see how this score board will look like on other data.

1 reply 2 retweets 8 likes

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Huda Nassar‏ @nassarhuda 26 May 2020

We use data from @zillow and built a regression model to see in which states the ratio of houses sold to the houses listed is highest. Turns out, North Carolina seems to be a winner here (this is data on Feb. 2020).pic.twitter.com/Euq0qnp4dX

1 reply 2 retweets 9 likes

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Huda Nassar‏ @nassarhuda 26 May 2020

We work with a dataset of airports and flights within the United States. Spoiler alert: Atlanta has the highest number of flights from/to (duh!) and its PageRank value is one of the highest.pic.twitter.com/u353BWw5Ma

1 reply 1 retweet 7 likes

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Huda Nassar‏ @nassarhuda 26 May 2020

We got data from google finance (btw, it's really easy to get such data -- check out the `GOOGLEFINANCE` function you can use in G sheets) and performed a portfolio optimization problem. From the three companies we picked (FB, MSFT, Apple), most of the investment went to Apple.

1 reply 2 retweets 9 likes

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Huda Nassar‏ @nassarhuda 26 May 2020

We played around more with the @zillow data on housing prices and listings... Here is a bar plot (not a big fan of bar plots but if you must, you gotta use Edward Tufte's style here). Not surprisingly, California had the highest number of house listings in February 2020.pic.twitter.com/OQQBI8ug1o

1 reply 1 retweet 7 likes

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Huda Nassar‏ @nassarhuda 26 May 2020

Another thing I learned from @EdwardTufte is the idea of symmetry. Here, you can see that you don't need both sides of the violin plot -- so I plot data from 10 years apart. Interestingly, the price distribution seems to be very similar except that the median has shifted upwards.pic.twitter.com/Kj50p7cn2m

5 replies 19 retweets 180 likes

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Paul Graham‏Verified account @paulg 29 May 2020

Replying to @nassarhuda @EdwardTufte

California:pic.twitter.com/OwLzd5OHli

3:37 AM - 29 May 2020

4 Likes

1 reply 0 retweets 4 likes

1. ꪻꪻ ☭ Diana 上下齐心 ࿐‏ @Diana59031575 9 Jun 2020
  Replying to @paulg @nassarhuda @EdwardTufte
  
  Красиво выглядит. Только что это ? Интересно
  Thanks. Twitter will use this to make your timeline better. Undo
  
  Undo

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