Author Archives: notesofdabbler

Seattle’s Fremont Bridge Bicyclists Again in the News

Back in 2013, David had done analysis of bicycle trips across Seattle’s Fremont bridge. More recently, Jake Vanderplas (creator of Python’s very popular Scikit-learn package) wrote a nice blog post on “Learning Seattle Work habits from bicycle counts” at Fremont … Continue reading

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Explore Kaggle Competition Data with R

I wanted to pick a topic that involved some webscraping and so decided to get some data from Kaggle. I put down some questions that could potentially be answered with some fairly basic plots. Is prize money a key motivator … Continue reading

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Exploring Mangalyaan tweets with R

Mangalyaan is the spacecraft of Indian Space Research Orgnization’s Mars Orbiter Mission that entered the orbit of Mars last week. There were several tweets in Twitter with hashtag #Mangalyaan about it last week. I wanted to use R to explore … Continue reading

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Exploring Hotel Review Data from Trip Advisor with R

I wanted to use R to explore hotel review data. I chose to explore reviews for 3 hotels from Trip Advisor. First, I had to scrape the review data. I have described how I scraped the data here. I used … Continue reading

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Attempt at R version of Peter Norvig’s Spelling Corrector

I recently came across a short tutorial by Peter Norvig on natural language processing using some interesting examples. I found it very interesting and really liked Peter Norvig’s explanations and the fact that it was all in ipython notebook for … Continue reading

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Exploring census and demographic data with R

I wanted to use R to explore how to access and visualize census data, home value data and school rating data using Indianapolis metro area as an example. My learning objectives here are to learn how to use R to: … Continue reading

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Using R in Used Car Search

Recently I was looking to buy a used car. I was using the Edmunds website to estimate the true market value of a used car. It has a nice click through interface where it guides you to input make, model, … Continue reading

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