@SnowflakeDB ❄️ Sr. SE; Geospatial DataScience Prof. @PennMusa; ex. Data Science @DataRobot, Product @SafeGraph, AVP Innovation @AECOM; 🏃♂️ 🎣 🥩
Joined November 2008
- Tweets 5,975
- Following 1,844
- Followers 1,576
- Likes 21,879
798 Photos and videos
Pinned Tweet
7 Apr 2021
RandomForest is a cool algo but be careful of the default tree depth hyper-parameter; it want's to overfit your data
Tree depth is how "deep" the decision tree goes, e.g. how many decisions are made before coming to an answer. If you use RF, but don't know about max tree depth...
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10 Feb 2024
Look here von Neumann, the particle does not give a rats ass about your consciousness.
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Executing queries on spatial data can be difficult due to the complex polygonal shape of geographical boundaries. That's why geospatial systems resort to a strategy called “Filter-Refine” to evaluate geospatial predicates efficiently. Details in🧵
#geospatial #DataAnalytics #SQL
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24 Feb 2023
2023-02-24 6:50pm: Our first marital argument over a ChatGPT prompt.
The future is bleak.
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Matt Harris retweeted
21 Feb 2023
Every Philadelphian deserves access to safe & reliable public transportation.
RT if you agree.
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Matt Harris retweeted
1 Feb 2023
"With hard work and perseverance, anything is possible despite your initial circumstances. After 100 rejection letters, I was recruited by Snowflake in 2018 and have been enjoying every minute since!” — Marion B. Consulting Manager at Snowflake #BlackHistoryMonth
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Matt Harris retweeted
31 Jan 2023
Finally learned some basic raster analysis, and took the USGS topographic elevation National Land Cover datasets to create a least-cost-distance path from Harrisburg to Pittsburgh. (Corridors in background). Results are interesting for high speed rail implications!
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Matt Harris retweeted
28 Jan 2023
In honor of the NFC championship game this weekend, I give you a comparative population density map of San Francisco and Philadelphia. #NFL
#rstats #rayshader code: bit.ly/3OKb00G
ALT Comparative population density of Philadelphia and San Francisco, the teams playing in the NFC championship game this weekend. Rendered in R using the Rayshader package.
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Recently criticized that I do not mention R as a tool for geospatial analysis. My response is: We merged R support in Apache Sedona last year & encourage the Rspatial community to build it further!
blogs.rstudio.com/ai/posts/2…
#geospatial #DataScience #apachesedona #MachineLearning
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Python and SQL are powerful on their own, but have higher value when they work together. Join us at @SnowflakeDB Snowpark Day to learn how data teams can use dbt Cloud to generate analytics and ML-ready pipelines with SQL and Python. Register here 👉 hubs.ly/Q01wVm4l0
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Are you a data scientist, ML engineer, or data analyst scratching the surface in geospatial analytics? Here is a list of open source tools that can help you. Have more OSS tools, mention them👇🏽
#Geospatial #DataScience #DataAnalytics #SQL #Python #GIS #gischat
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Matt Harris retweeted
30 Dec 2022
Our Newest! Longitudinal NLP of property listings & HMDA mortgage lending by race/income. (1)
Smart growth as a luxury amenity? Exploring the relationship between t... sciencedirect.com/science/ar…
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26 Dec 2022
Am I allowed to keep playing Christmas music?
60%
Yes, more Xmas please!
40%
No! Move on.
30 votes • Final results
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26 Dec 2022
I am feeling very positive about these results. “It must be Santa” by Bob Dylan blesses the kitchen until the tides turn.
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Amazon Redshift? Snowflake? Google BigQuery? Databricks? Azure Synapse? So many options! 🤯
The newest edition of our Cloud Data Warehouse Benchmark is here! Check out the report to compare the price, performance, and more for these 5️⃣ popular warehouses: 5tran.co/3FIvSTE
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20 Dec 2022
There is a good reason why my family motto is, “Never trust a cow.”
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Matt Harris retweeted
20 Dec 2022
Quizz: You have a 100 TB geospatial dataset made of continuous measures recorded at 30-minute intervals across 2M locations. How do you sort the rows of your 50 MB partitions storing data for 0.25° geodesic squares?
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17 Dec 2022
I asked #ChatGPT to make a menu of 6 pizzas for my party tonight. I followed the results and was some of the best pizzas I have ever had.
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9 Dec 2022
unsolicited kudos to the folks at @obsdmd (obsidian.md/). This app is really great for semi-structured note taking with simple markdown and hotkeys. It is the "mind mapping" app I have been looking for for a while but was unable to find 👏
Give it a try!
2 Dec 2022
I’m a top 1% metallic listener 😎
Thanks @metallica for spending 1,642 minutes with me in 2022. I couldn’t stop listening to Fuel. #SpotifyWrapped open.spotify.com/artist/2ye2…