garlic: Some R Functions I Use Rather Frequently
My personal R package for custom functions [Read more...]
Articles by R on Harshvardhan
garlic: Some R Functions I Use Rather Frequently
Without garlic I simply would not care to live code. —
Louis Diat1
These are some functions that I use very frequently in my projects. There are three categories of functions: exploratory functions to check missing values and describe data, ...
Titanic: Who Survived The Tragegy?
Yet Another Machine Learning Project with Titanic Dataset [Read more...]
Number of PhDs by Field
An Incomplete Data Exploration [Read more...]
Number of PhDs by Field
Yesterday I was talking to one of my friends about his plans post PhD. “I want to go for pure sciences and abstract mathematics, but there are hardly any positions in academia on these topics.”, he said. It got me into thinking how many PhD students graduate every year and ...
Linear Regression and Optimisation
When I first learnt linear regression six years ago, I was surprised by its power. I could know the effect of one phenomenon on another and the extent of the relationship. As years passed by, I revisited its different parts in pieces. Stability. Consis...
Classification: Logistic Regression and Random Forest
In this tutorial-cum-note, I will demonstrate how to use Logistic Regression and Random Forest algorithms to predict sex of a penguin. The data penguins comes from palmerpenguins package in R. It was collected by
Dr. Kristen Gorman on three species of penguins at the
Palmer Station, Antarctica LTER, a member ...
Linear Regression and Optimisation
Using linear regression to find the optimal value of an input [Read more...]
Notes on R
Update (March 5, 2022): I finally wrote a package with all these functions. You can learn more about it
here.1
On one fine day when I have enough time, they’ll all be wrapped into a package hosted on my Github. Until then, this page in their home.
library(tidyverse)
## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.1 ──
## ✓ ggplot2 3.3.5 ✓ purrr 0.3.4 ## ✓ tibble 3.1.6 ✓ dplyr 1.0.8.9000 ## ✓ tidyr 1.2.0 ✓ stringr 1.4.0 ## ✓ readr 2.0.2 ✓ forcats 0.5.1{{...
Basics of Text Mining in R
Text in R can be represented in several ways but generally it is a character vector (strings). Reading a text file would mean most of the content would either be in a single long character file, or broken into several variables and observations as a da...
Notes on Github
RStudio
Using Github is the popular method of version control in RStudio. I have struggled with managing Github with RStudio. In this section, I will put together pieces from different sources to fix your issues or get started with it.
Sta...
Stackoverflow Answers
Most of the time when I answer questions on Stack Overflow, I end up learning a thing or two about R myself. Answering questions gets me warmed up on unrelated topics. These questions are one of their kind. This blog post documents all my answers so th...
I Web, Therefore I Exist
Animated Slides:
Keynote
Static Slides:
PDF
Session Recording:
YouTube
I also demonstrate
Owlstown’s tool — which I found to be most beginner friendly. It starts at
27:00 in the above YouTube video.
Abstract
Websites used to b...
IndiaPIN: R Data Package
IndiaPIN contains geographic details about 19,300 PIN codes in India. Some PIN codes had more than one offices. Only the first office of that PIN code area has been retained in those cases. (Updated: December 2021.)
Wrote my first public R package today. Indian PIN codes directory with Latitude and longitude details. ✨... [Read more...]
Today I Learnt
This page contains the articles, apps and videos that I’ve found engaging. Not frequently updated since I started using
Notion.
Data Science
Advise Blogs
Advice to aspiring data scientist... [Read more...]
How fast is M1?
I upgraded my laptop to MacBook Air (2020) with the infamous M1 processor a few days ago. I went after the most powerful machine in the category, one with 16 gigabytes of RAM and one terabyte of storage — I didn’t want to regret my choices ...
Next — Today I Learnt About R
Next is my short and sweet newsletter about a curated collection of R-related works. It is posted at 9:30 AM (Eastern Time) every Wednesday. The content is pretty straightforward.
Five stories. Four packages. Three jargons. Two tweets. One meme.
...
Supervised Learning Using Baysian Decision Rule
Python Functions for Bayesian Learning (COSC 522 Project) [Read more...]
Ellsberg’s Paradox
I was reading the book “How Not to Be Wrong: The Power of Mathematical Thinking” by Jordan Ellenberg. The book introduces a paradox named after Daniel Ellsberg, a young analyst at RAND Corporation and famous for leaking the Pentagon papers ...
Yihui on Blogging and Writing Books
This year, I am participating in
useR 2021, the R conference. It is my first conference so I expect to miss out on a few things but still hope to learn as much as I can. I am relatively free for the next week so learning as much as possible from ...
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