Excel VBA: Finding the Second Last Sunday of the Month
In one of my projects, I needed to schedule an event on the second last Sunday of each month, so I wrote up a small function in Excel to help me with this: Function secondlastsunday(maaned)...
View ArticleExcel VBA: Return Quarter and Year from Date
In my daily reportings, I often encounter having to convert a date to quarter.I used to do it by using a small table that would convert month (Oct = 10) to quarter (Q = 4). Not a very elegant solution...
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Excel VBA: Jaro Winkler Distance (Fuzzy Matching)
Here’s a very nice implementation of the Jaro-Winkler algorithm in Excel VBA.I use it for fuzzy matching, clustering data and looking for duplicates.The code is modified from Jay Tracewell’s post here....
View ArticleExcel VBA: Haversine Formula & Great-Circle Distance – Calculate the Distance...
In connection with an analysis on the geographical spread of workshops and car customers, I needed a way to calculate the distance (kilometers) between two sets of coordinates (latitude/longitude...
View ArticleInstall Atom on Linux Mint 17 and Setup Python Development
I love SublimeText and have been using it on and off for many years for coding. I do, however, think that it’s helpful to shake up my routine sometimes and try something new! I heard a lot of good...
View ArticleR: Text Classification using a K Nearest Neighbour Model
In this example, I will show you how to use a KNN model to classify text in R. We use machine learning meaning that we train the model with “known” data (i.e. data that is already categorized) and test...
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