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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 approximate match first on Excel and replicate the same task on RStudio using stringdist_left_join() Fuzzy left join from the R package {fuzzyjoin}

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 website for Tech News. The objective of this post it that it can outline how to simple use httr’s GET() to start making REST API calls and also to parse the response object and extract desired data.

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/oQKwd1cgiq4 Please subscribe and leave a comment if you have any feedback. I’m new for this Video making so any suggestion/feedback to improve would be a great benefit!

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 library(fakir) library(tidyverse) library(ggeasy) # generate dataset clients <- fakir::fake_ticket_client(100) # rotate x axis labels clients %>% count(state) %>% ggplot() + geom_col(aes(state,n)) + easy_rotate_x_labels() # color the text and increase text size clients %>% count(state) %>% ggplot() + geom_col(aes(n,state), fill = "orange") + easy_text_color("orange") + easy_text_size(25, teach = TRUE) # move legend position clients %>% count(state, source_call) %>%# View() ggplot() + geom_col(aes(n,state, fill = source_call)) + #easy_move_legend("bottom", teach = TRUE) theme(legend.

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 going to File -> New File -> R Markdown + Then, Presentation -> Powerpoint

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 has found its home there. While the technique itself is highly wanted, Sentiment Analysis is one of the NLP fields that’s far from super-accurate and the reason being is a lot of ways Humans talk.

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 Plugin - https://github.com/Ikuyadeu/vscode-R Data Science Course Offer

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 like Web scraping to collect your own data. While Web scraping is a vast area, this tutorial focuses on one particular aspect of it, which is “Scraping or Extracting Tables from Web Pages”.

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

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.youtube.com/watch?v=lXwH2R4n3RQ