Introduction
Welcome to Business Data Insights! The goal of this blog is to describe a variety of business data analysis problems and the open source tools that solve them. I’ll be documenting my own journey...
View ArticleCapturing free security history data with R
One need I’ve found for trading strategy development is to down-load specific lists of financial securities by symbol and save out the data for future use. The following process does just that by...
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Demand forecasting – Part 1
I’d like to take an initial look at an innovative forecasting methodology using exponential smoothing models. Forecasts, as the saying goes (applied to models in general) are always wrong but often...
View ArticleR Technical Note: Aggregating data into monthly time series
This post demonstrates a function I had to create as I didn’t find anything quite like it on the R discussion boards. Warning: I’m also assuming you have some background with R to be able to...
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Demand forecasting – Part 2 ARIMA models
The last blog post focused on probably the most popular and well-know family of forecasting models; exponential smoothing models. In this post, we’ll look at the next most well-known family of...
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