The aim was to make a quotes generator website which we take with our breakfast. I used SelectorGadget and rvest to scrap quotes from Wikipedia page. Then I used Unsplash API to get a random nature background image. Finally, I use Shiny to combine al...

With the release of pointblank v0.6, workflows for the validation of tabular data have been refined. On top of those improvements, we have a new workflow for describing our tabular data. There’s really so much that’s new in the release that we can only go over the big ...

This is the context. In the convalescent plasma pooled individual patient level meta-analysis we are conducting as part of the COMPILE study, there is great interest in understanding the impact of antibody levels on outcomes. (I’ve described variou...

In this post, we will examine the harmonic properties of songs in my music collection. We will focus on two primary aspects of the music: the mode (e.g. whether the songs are played in major or minor keys), and the musical key itself (e.g. C major, D minor, ...

Number of deaths in consecutive weeks. See the second plot for the whole story.Recently there have been several blog entries showing excessive number of deaths in different countries.Recently I discovered that in the eurostat database (1) one can find ...

The 3rd NHS-R Community Conference wrapped up a week ago last Friday, and was a hugely enjoyable event. There was a pre-conference training week, during which I was able to attend Syliva Canelon’s excellent xaringan workshops. They were fan...

Create Data Association of ‘feature’ and ‘target’ Resample Build Models Rescale Predictions to Predicted Probabilities Appendix Density Plots Lift Plot Comparing Scaling Methods TLDR: In classification problems, under and over sampling1 techniques shift the distribution of predicted probabilities towards the minority class. If your problem requires accurate probabilities you will ...

If you’re only going to read one line of this post let it be this one: v0.6.0 of SwimmeR is now available from CRAN and it’s better now than ever before. But don’t just stop at one line though, grab that update and come along on this ...

In the last post, we were able to identify when a regime change occurs. Today we will focus on speed (well, a trade-off) For the next question, we will still be using the datasets available at https://github.com/matrix-profile-foundation/mpf-datasets so you can try this at home. The original ...

Create Data Association of ‘feature’ and ‘target’ Resample Build Models Rescale Predictions to Predicted Probabilities Appendix Density Plots Lift Plot TLDR: In classification problems, under and over sampling1 techniques shift the distribution of predicted probabilities towards the minority class. If your problem requires accurate probabilities you will need to adjust ...

If you’re only going to read one line of this post let it be this one: v0.6.0 of SwimmeR is now available from CRAN and it’s better now than ever before. But don’t just stop at one line though, grab that update and come along on this ...

In “Stock Market Valuation and the 2020’s in R” I investigated whether the CAPE ratio could forecast the future trajectory of earnings and/or stock returns… The post Structural Change in Stock Market Valuations appeared first on Light Finance.

Taking a jpg image and converting it to raster, getting pixelized data manipulation of the image and plot a scatter image. Sound like another useless R function, that can produce a scatter plot in a shape of a logo with…Read more ›