Publications by AbdulMajedRaja RS
Kannada MNIST Prediction Classification using H2O AutoML in R
Kannada MNIST dataset is another MNIST-type Digits dataset for Kannada (Indian) Language. All details of the dataset curation has been captured in the paper titled: “Kannada-MNIST: A new handwritten digits dataset for the Kannada language.” by Vinay Uday Prabhu. The github repo of the author can be found here. The objective of this post is t...
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How to reorder arrange bars with in each Facet of ggplot
One of the problems that we usually face with ggplot is that rearranging the bars in ascending or descending order. If that problem is solved using reorder() or fct_reorder(), the next problem is when we have facets and ordering bars within each facet. Recently I came acrosss this function reorder_within() from the package tidytext (Thanks to Jul...
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How to create Bar Race Animation Charts in R
Bar Race Animation Charts have started going Viral on Social Media leaving a lot of Data Enthusiasts wondering how are these Bar Race Animation Charts made. The objective of this post is to explain how to build such Bar Race Animation Charts using R — R with the power of versatile packages. Packages The packages that are required to build anim...
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How to use bootstraplib’s Live Theme Previewer to customize Shiny apps?
One of the announcements of RStudio conf 2020 that caught my eyes is a brand new package {bootstraplib} – https://github.com/rstudio/bootstraplib/ . It’s another open-source contribution from RStudio (a PBC). {bootstraplib} basically provides tools for theming shiny and rmarkdown from R via Bootstrap (3 or 4) Sass. If you’re not aware of Bo...
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How to Connect RStudio with Git (Github)
This video explains how to connect your RStudio with Git (Github) for a better R Programming / Software Development Workflow. It could be as big as updating a package file or as simple as managing a simple repo. This video also shows how can you clone a repo, commit a change and push it back to its master on Github. Youtube Link: https://www.yout...
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Quick Intro to Reproducible Example in R with reprex
This video quickly introduces you to an amazing R package called reprex that helps in generating Reproducible Example which could be useful in a lot of places like Github issues, Stack Overflow Question and Answers, R-dev mailing list or simply to share your problem with someone or Teaching! Link: https://www.youtube.com/watch?v=hnzrDLf9anw Rela...
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Scrape HTML Table using rvest
In this tutorial, we’ll see how to scrape an HTML table from Wikipedia and process the data for finding insights in it (or naively, to build a data visualization plot). Youtube – https://youtu.be/KCUj7JQKOJA Why? Most of the times, As a Data Scientist or Data Analyst, your data may not be readily availble hence it’s handy to know skills li...
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Need a good RStudio Alternative? Try VSCode R
In this tutorial, you’ll learn to use VS Code (Visual Studio Code from Microsoft) as an alternative IDE to the most popular RStudio. You’ll start from enabling R programming within your VS Code environment and also briefly look at some features and shortcuts of VSCode R. Youtube – https://www.youtube.com/watch?v=ZFGt9LyijhM vscode-r Github...
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Android Smartphone Analysis in R [Code + Video]
In this post, We’ll learn how to take analyse your Android Smartphone usage data. Steps: Download your MyActivity Data from Google Takeout – https://takeout.google.com/ (after Selecting json format – instead of the default html format) When the download is available, save the zip file and unzip them to find MyActivity.json inside last-leve...
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Sentiment Analysis in R with {sentimentr} that handles Negation (Valence Shifters)
Sentiment Analysis is one of the most wanted and used NLP techniques. Companies like to see what their customers are talking about – like if there’s a new product launch then what’s the feedback about it. Whereever you’ve got Natural Language – like Social Media, Community Pages, Customer Support – Sentiment Analysis as a technique ha...
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