Articles by AbdulMajedRaja RS

Penguins Dataset Overview – iris alternative in R

June 17, 2020 | 0 Comments

If there’s a dataset that’s been most used by data scientists / data analysts while they’re learning something or coaching something - it’s either iris (more R users) or titanic (more Python users). iris dataset isn’t most used just because it’s easy accessible but it’...
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ggplot2 Text Customization with ggtext | Data Visualization in R

June 16, 2020 | 0 Comments

ggplot2 is go-to R package for anyone who wants to make beautiful static visualizations in R. But most ggplot2 gplots look almost the same and little many data analysts or data scientists care about customizing it, primarily because it’s not very intuitive to do so. That’s where ggplot2 ...
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June 11, 2020 | 0 Comments

Despite all the memes around Microsoft Excel, Excel is still a powerful tool for quick and fast data transformation, data preprocessing (forget about the date thing 😉 ). This post is my attempt to tell an Excel person how they can replicate some of their most frequently used operation like VLOOKUP (Fuzzy) ...
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Analyse Google Trends Search Data in R using {gtrendsR}

June 7, 2020 | 0 Comments

As much as Google is popular for searching information on the web, Google can also provide information (meta) about those searches. Google Search Insights can be extremely helpful in Marketing Analytics, Market Research, Understanding Customer Demands, Trends and so on. While usual Market Researches or someone interested in Google Search ...
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GET Hackernews Front Page Results using REST API in R

May 17, 2020 | 0 Comments

Whenever we talk about Data Collection, We usually think about Web Scraping. What’s often forgotten is that a lot of websites / web apps usually offer API to access their data in the right way. This video tutorial explains how you can use httr package to use GET requests (REST ... [Read more...]

How to do Excel VLOOKUP in R (using left_join, merge)

April 23, 2020 | 0 Comments

This tutorial helps you code Excel’s VLOOKUP (Exact Match) functionality in R using dplyr’s left_join() and Base-R’s merge(). Please let me know your feedback if this can help Excel users try out R and get confident about doing Data Analytics in R Youtube - https://www.... [Read more...]

Easy ggplot2 Theme customization with {ggeasy}

April 21, 2020 | 0 Comments

In this post, We’ll learn about {ggeasy} an R package by Jonathan Carroll. The goal of {ggeasy} is to help R programmers make ggplot2 theme customizations with simple-easy English functions. (much easier than playing with theme()) We use dataset generated by {fakir} for this tutorial. Youtube:
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How to make Powepoint Slides PPT using RStudio in 2020

April 18, 2020 | 0 Comments

The reason I wanted to make this short tutorial is because there are a lot of old tutorial available on Internet to help you make a powerpoint using R. But some time back RStudio made this new option available that makes it extremely easy and simple...
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Android Smartphone Analysis in R [Code + Video]

April 12, 2020 | 0 Comments

In this post, We’ll learn how to take analyse your Android Smartphone usage data. Steps: Download your MyActivity Data from Google Takeout - (after Selecting json format - instead of the default html format) When the download is available, save the zip file and unzip ...
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Scrape HTML Table using rvest

April 8, 2020 | 0 Comments

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 - Why? Most of the times, As a Data Scientist or Data Analyst, ... [Read more...]

Need a good RStudio Alternative? Try VSCode R

April 8, 2020 | 0 Comments

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 ... [Read more...]

Quick Intro to Reproducible Example in R with reprex

March 26, 2020 | 0 Comments

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 s... [Read more...]

How to Connect RStudio with Git (Github)

March 24, 2020 | 0 Comments

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 clo... [Read more...]

How to use bootstraplib’s Live Theme Previewer to customize Shiny apps?

February 6, 2020 | 0 Comments

One of the announcements of RStudio conf 2020 that caught my eyes is a brand new package {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 ...
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How to create Bar Race Animation Charts in R

January 7, 2020 | 0 Comments

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 ...
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How to reorder arrange bars with in each Facet of ggplot

December 3, 2019 | 0 Comments

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 ...
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Kannada MNIST Prediction Classification using H2O AutoML in R

October 2, 2019 | 0 Comments

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 ...
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Handling Missing Values in R using tidyr

September 22, 2019 | 0 Comments

In this post, We’ll see 3 functions from tidyr that’s useful for handling Missing Values (NAs) in the dataset. Please note: This post isn’t going to be about Missing Value Imputation. tidyr According to the documentation of tidyr, The goal of tidyr is to help you create tidy ... [Read more...]
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