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Sigrid Keydana's Blog (8)

Deep Learning in Action (the less-math-more-apps version)

On Tuesday at Hochschule München, Fakultät für Informatik and Mathematik I again gave a guest lecture on Deep Learning (RPubs, github, pdf). This time, it was more about applications than…
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Added by Sigrid Keydana on March 25, 2017 at 7:52am — No Comments

R for hackers

Last Sunday at Trivadis Tech Event, I talked about R for Hackers. It was the first session slot on Sunday morning, it was a crazy, nerdy topic, and yet there were, like, 30 people attending! An emphatic thank you to everyone who came!

R a crazy, nerdy topic, - why that, you'll be asking? What's so nerdy about using R?

Well, it was about R. But it was neither an introduction ("how to get things done quickly with R"), nor was it even about data science. True, you…

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Added by Sigrid Keydana on March 24, 2017 at 2:30am — No Comments

Deep Learning in Action

Last year before Christmas at Hochschule München, Fakultät für Informatik and Mathematik I presented about Deep Learning (nbviewer, github, pdf).

Mainly concepts (what's…

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Added by Sigrid Keydana on January 2, 2017 at 2:00am — 1 Comment

R for SQListas (2): Forecasting the Future

R for SQListas, part 2

Welcome to part 2 of my “R for SQListas” series. Last time, it was all about how to get started with R if you’re a SQL girl (or guy)- and that basically meant an introduction to Hadley Wickham’s dplyr and the tidyverse. The logic being: Don’t fear, it’s not that different from what…

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Added by Sigrid Keydana on November 29, 2016 at 11:30am — No Comments

R for SQListas (1): Welcome to the Tidyverse

R for SQListas, what's that about?

This is the 2-part blog version of a talk I've given at DOAG Conference this week. I've also uploaded the slides (no ppt; just pretty R presentation ;-) ) to the articles section, but if you'd like a little text I'm encouraging you to read on. That is, if you're in the target group for this…

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Added by Sigrid Keydana on November 17, 2016 at 11:30pm — No Comments

Sentiment Analysis of Movie Reviews (3): doc2vec

This is the last – for now – installment of my mini-series on sentiment analysis of the Stanford collection of IMDB reviews (originally published on recurrentnull.wordpress.com).

So far, we’ve had a look at classical bag-of-words models and…

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Added by Sigrid Keydana on October 27, 2016 at 10:30pm — No Comments

Sentiment Analysis of Movie Reviews (2): word2vec

This is the continuation of my mini-series on sentiment analysis of movie reviews, which originally appeared on recurrentnull.wordpress.comLast time, we had a look at how well classical bag-of-words models worked for classification of the Stanford collection of IMDB reviews. As it turned out, the “winner” was Logistic…

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Added by Sigrid Keydana on October 27, 2016 at 3:00pm — No Comments

Sentiment Analysis of Movie Reviews (1):Bag-of-Words Models

(This post originally appeared on recurrentnull.wordpress.com, as first part in a series on sentiment analysis of movie reviews.)

Imagine I show you a book review, on amazon.com, say. Imagine I hide the number of stars, – all you get to see is the number of stars. And now I’m asking you, that review, is it good or bad?…

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Added by Sigrid Keydana on October 23, 2016 at 9:00am — 4 Comments

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