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Lance Norskog
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  • Redwood City, CA
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Lance Norskog's Discussions

Details of Deep Learning data pipelines

Started Jan 26, 2017 0 Replies

I've seen a lot of explanations of modern NN use that are all somewhat abstract. Tutorials usually just do one thing.I don't have a grasp of the exact mechanics of various uses. For example, an image…Continue

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Latest Activity

Lance Norskog replied to Vincent Granville's discussion What was your most difficult job interview question?
"Heh! It was a social question. "A co-worker of yours is depressed or burned out. His performance is slowly drifting down. What should you do?""
Apr 4
Lance Norskog commented on Stephanie Glen's blog post K-nn Clustering Explained in One Picture
"Thank you!"
Mar 25
Lance Norskog commented on Stephanie Glen's blog post EM Algorithm Explained in One Picture
"Thank you for this, it really helped. Lance Norskog"
Mar 14
Lance Norskog commented on Stephanie Glen's blog post Math You Don't Need to Know for Machine Learning
"Nice! I see a lot of these "how to become a DS" and the one thing I never see is emotional, not intellectual: you must develop a deep, almost religious, reverence for the sanctity of the experiment. To maintain your state of grace, you…"
Feb 23
Lance Norskog replied to Neeraj Sharma's discussion Visualisation of train and test error
"It looks like your model becomes overtrained right around "3". That is where the evaluation curves diverge."
Feb 8
Lance Norskog replied to Jm Bonni's discussion A free license to test scio-machine.com
"This looks very interesting. Good luck!"
Feb 8
Lance Norskog replied to Nikita Shanker's discussion How does hive insert into with select work at memory and storage level
"What is the table format? Different table formats require different amounts of memory to create the output HDFS file. Text and Sequencefiles need very little memory. Hive copies data from table2 to a local files on some of the servers, then copies…"
Feb 7
Lance Norskog replied to Andrew Steckley, PhD's discussion The essential characteristics of directed search
"The text search literature addresses this. A text search engine applies a scoring function to every document in the index, and chooses the document with the highest score. Text search indexes are all about pruning low-scoring documents early. "
Nov 25, 2018
Lance Norskog commented on Capri Granville's blog post The Hundred-Page Machine Learning Book
"Good luck with this! Writing a technical book is a profoundly uneconomic project :)"
Nov 25, 2018
Lance Norskog commented on Andrea Manero-Bastin's blog post Seven Techniques for Data Dimensionality Reduction
""PCA destroys interpretability" PCA is invertible, since it is just a linear translate+rotate matrix. You can apply PCA, fix the final N columns at their mean, and then invert the altered vectors back to the original subspace. This will…"
Nov 20, 2018
Lance Norskog replied to Vincent Granville's discussion Looking for a search engine useful for professional data scientists
"Google Groups for particular communities are helpful, but, yeah the StackExchange ecosystem is turning out to be the best resource."
Nov 12, 2018
Lance Norskog commented on ajit jaokar's blog post Can we use deliberate practise for learning to code #AI and #machinelearning
"I started DL not with TF/Keras/Pytorch but by directly coding all the arithmetic in Python, starting with this book: https://makeyourownneuralnetwork.blogspot.com/ It really helped me understand the basics. I took his code, did some variations like…"
Aug 23, 2018
Lance Norskog commented on Vincent Granville's blog post The First Things you Should Learn as a Data Scientist - Not what you Think
"@Nancy Grady- would this be the "Netflix Prize Effect"?"
Jul 23, 2018
Lance Norskog commented on Vincent Granville's blog post The First Things you Should Learn as a Data Scientist - Not what you Think
"Also- put up a production site. Just a web site where you upload cat pix, the app consults Google's API, then gives an answer. This is not data sci per se, but you're going to want to understand the quirks of putting Data Sci into…"
Jul 14, 2018
Lance Norskog commented on Vincent Granville's blog post The First Things you Should Learn as a Data Scientist - Not what you Think
"An aspect you touch on in the first part is that an experiment is a sacred ritual. Someone who spends months worrying about her petri dishes full of fungus understands this deeply. Programmers are never taught about it. "Design of…"
May 29, 2018
Lance Norskog replied to Mani's discussion ML Algorithm selection for many Timestamp features
"Ummm... err... a fundament of Machine Learning is that 100% is impossible, and you expect to have a failure rate. In this use case, is a potential lawsuit the consequence of a failure? If so, rule engines are the right technology. But that was not…"
May 24, 2018

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Short Bio
Big Data Engineer, Small-time deep learning hobbyist.
Your Job Title:
Data Engineer
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Networking, Other

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