Rainy cycling commutes in Ireland? Wunderground data in Python
Do you get wet on your cycle to work? How rainy is Ireland? In this post we work out what percentage of cycles you get rained on in Ireland and around the world!
data science
Analysis of Weather data using Pandas, Python, and Seaborn
The most recent post on this site was an analysis of how often people cycling to work actually get rained on in different cities around the world. You can check it out here. The analysis was completed using data from the Wunderground weather website, Python, specifically the Pandas and Seaborn libraries. In this post, I will …
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Use Pandas Groupby to Group and Summarise DataFrames
Aggregation and data grouping of Dataframes is accomplished in Python Pandas using “groupby()” and “agg()” functions. In this post, we’ll look at every aspect of grouping by single or multiple columns, applying aggregation functions such as max, min, count, and naming the resulting Dataframes and Pandas Series.
Scraping Dublin City Bikes Data Using Python
FAST TRACK: There is some python code that allows you to scrape bike availability from bike schemes at the bottom of this post… SLOW TRACK: As a recent aside, I was interested in collecting Dublin Bikes usage data over a long time period for data visualisation and exploration purposes. The Dublinbikes scheme was launched in …
Self-Organising Maps for Customer Segmentation using R
Self-Organising Maps Self-Organising Maps (SOMs) are an unsupervised data visualisation technique that can be used to visualise high-dimensional data sets in lower (typically 2) dimensional representations. In this post, we examine the use of R to create a SOM for customer segmentation. The figures shown here used use the 2011 Irish Census information for the …
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Online Learning Curriculum for Data Scientists
“Is there any online reading or courses I can do to get into data analysis?” At my workplace, I get asked the question above. The question is usually posed by people typically with a finance background, who’s working as a management consultant. In this post I propose a learning path for such people to “get …