preprocessing

I used the OECD.org API to obtain macroeconomic data.

Hi. I'm doing an analysis using currency tick data, and the sample size is 12 million data per year. It's in memory, but it's very inefficient because it takes a lot of time to process each one of them when we try to do complicated processing. This time, I would like to introduce the way to compile functions written in C++ as functions on R using Rcpp package to increase the processing speed.

I cropped it because the background of the stables was in the way of the horse model I made in the previous post.

I used Kaggler's favorite LightGBM to predict the horse race standings.

I did an analysis using alternative data.

I found some data missing from the last data collection, so I scraped it again.