Publications by AbdulMajedRaja RS
How to make Powepoint Slides PPT using RStudio in 2020
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 to make a Powerpoint Presentation with R outputs in it. powerpointslides Check it yourself + By ...
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Easy ggplot2 Theme customization with {ggeasy}
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: https://youtu.be/iAH1GJoBZmI Video Tutorial Code ...
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How to do Excel VLOOKUP in R (using left_join, merge)
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.youtube.com/watch?v=GsxlOwa4dSg Video Tutorial Code # library tidyve...
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Automated Programmatic Website Screenshots in R with {webshot} [Video Tutorial]
In this video tutorial, We explore the R package {webshot} by Winston Chang. This package internally uses phantom js to capture screenshot of web pages / websites, Shiny Applications, RMarkdown documents. {webshot} also lets you take screenshot of a particular viewport or a section of website selected by css selector. Youtube: https://youtu.be/oQ...
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GET Hackernews Front Page Results using REST API in R
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 API Calls) to collected data from Hacker News, a very popular websit...
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Analyse Google Trends Search Data in R using {gtrendsR}
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 Informat...
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Excel to R #3 – APPROXIMATE VLOOKUP in Excel to FUZZY LEFT_JOIN in R
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) using R. We perform VLOOKUP’s approx...
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ggplot2 Text Customization with ggtext | Data Visualization in R
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 extensions come in very handy. ggtext is an R package (b...
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Penguins Dataset Overview – iris alternative in R
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’s something that you can use to demonstrate many data science c...
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Using R on Google Colab with {tidyverse} – Video
Google Colab is a Free (to certain limit) Hosted Notebook provided by Google. It comes with GPU and TPU RunTime. It’s been avaialble only for Python users. But recently, there’s was a tip shared which enables using R on Google Colab natively. Also, the R environment comes with a lot of R pakcages (including tidyverse) pre-installed. Video Wa...
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