We at Win-Vector LLC have some big news. We are finally porting a streamlined version of our R vtreat variable preparation package to Python. vtreat is a great system for preparing messy data for suprevised machine learning. The new implementation is based on Pandas, and we are experimenting with pushing the sklearn.pipeline.Pipeline APIs to their … Continue reading Big...
Are you interested in guest posting? Publish at DataScience+ via your editor (i.e., RStudio). Category Advanced Modeling Tags Linear Regression Logistic Regression R Programming Regression analysis is one of the most demanding machine learning methods...
Understanding who you are is strongly related to understanding your family history. Discovering ancestors is now a popular hobby, as many archives are available on the internet. The GEDCOM...
This year, the greater R community gathering useR! took place in sunny Toulouse in July, bringing together over 1000 practitioners from both academia and industry. The event spanned over five...
While I was browsing the website of fellow R blogger Ryo Nakagawara1, I was intrigued by his “Visualizations” page. The concept of creating an online “portfolio” is not novel 2, but I...
Syntax highlighting Previously, I posted entries without any syntax highlighting as I was satisfied using basic blogdown and Hugo functions until a Disqus member commented in the previous post to...
Very often, seed scientists need to compare the germination behaviour of different seed populations, e.g., different plant species, or one single plant species submitted to different temperatures, light conditions,...
Flash floods seem to be increasing in many areas. This post will show how to download local USGS flow and precipitation data and generate a 3-panel chart of flow,...
The keynote presentations from last week's useR!2019 conference in Toulouse are now available for everyone to view on YouTube. (The regular talks were also recorded and video should follow...
Time series cross-validation is important part of the toolkit for good evaluation of forecasting models. forecast::tsCV makes it straightforward to implement, even with different combinations of explanatory regressors...
Are you interested in guest posting? Publish at DataScience+ via your editor (i.e., RStudio). Category Visualizing Data Tags Best R Packages Data Visualisation R Programming 3D Plots built in the right way for the right...
I’ve been building R shiny apps for a while now, and ever since I started working with shiny, it has significantly increased the set of services I offer my...
I was recently asked how to go about matching several datasets where different samples of individuals were interviewed. This sounds like a big problem; say that you have dataset A...
If you are like me, and rather last minute about making a plan to get the most out of a large conference, you are just starting to think about...
I have to confess that the core message of this post is not really a fresh saying. But if I was given a chance to deliver one dataviz advise...
Several dozen people have taken part in RStudio’s instructor training and certification program since it was announced earlier this year. Since our last update, many of them have completed...
This week my post is relatively short and very focused. What makes it interesting (at least to me) is whether it will be seen as a useful “bridge” between frequentist methods...
The problem Introduction and overview of gdalcubes Installation Demo dataset Creating image collections Creating and processing data cubes Chaining data cube...
Are you passionate about statistical methods and software? If so we would love...
In this post I'll introduce a simple investing strategy that is well diversified and has been shown to work across different markets. In short, buying cheap and uptrending stocks...
In the previous article in this series, we showed that common ensemble models like random forest and gradient boosting are uncalibrated: they are not guaranteed to estimate aggregates or...
For many R users, it’s obvious why you’d want to use R with big data, but not so obvious how. In fact, many people (wrongly) believe that R just...
Your one-stop-shop for machine learning algorithms. Each algorithm is complete with a short description and links to examples. If you would like to take the algorithms with you, click...
Joe Cheng presented shinymeta enabling reproducibility in shiny at useR in July 2019. I am really thankful for this. This article shows a… Continue reading on Towards Data Science »
The European R conference will visit Milan in 2020! Mirai Solutions is delighted to actively support and participate in the organization of the event. The European R Users Meeting (eRum)...
It can be argued that most important decisions in life are some variant of an exploitation-exploration problem. Shall I stick with my current job or look for a new...
Motivation After reading The Life Changing Magic of Tidying Text and A tidy text analysis of Rick and Morty I wanted to do something similar for Rick and Morty and...
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