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Joshua Marie

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Interesting thoughts about aesthetics aes() in ggplot2

R
ggplot2
visualization
tidyverse
This post is under construction
Jan 3, 2026
Joshua Marie
 

A ‘careful’ and ‘small’ guide to data science with ‘tidyverse’

R
data-science
analytics
tidyverse

Teaching you the things you can take advantage of, and things weren’t taught by some tutorials you (potentially) know

Dec 28, 2025
Joshua Marie

Bother yourself writing reusable codes in R, not throwaway codes

Reasons and applications with box
R
box
programming

I can also show you a proper way to write reusable R codes

Dec 20, 2025
Joshua Marie

Three levels to compose R functions

Intro to my functional programming series
R
data-science
tidyverse
purrr
functional-programming
fp

Introducing the 3 ways to compose functions in R.

Dec 15, 2025
Joshua Marie

What’s so special about formulas in R

Hidden secrets? Somewhat
R
formulas
rlang
machine-learning
statistics

Let’s discover how in the world it works

Dec 8, 2025
Joshua Marie

Things you may or you may not know in ggplot2

A rare case study — Some investigations I made
R
ggplot2
data-science
visualization
tidyverse
viz
programming

Here are some things I enumerated — things you may or may not know already

Dec 1, 2025
Joshua Marie

Why SQL + R is an affable combo when I start learning SQL?

R
SQL
data-science
analytics
tidyverse

Learn mastering both — and how to make them work together seamlessly.

Nov 28, 2025
Joshua Marie

Tutorial on Generalized Linear Model from scratch

Dogmatic statistics for fun series
R
Python
statistics
regression
machine-learning

Finally understand what a link function actually does instead of just copy-pasting glm()

Nov 23, 2025
Joshua Marie

Ways to load / attach packages in R

Worst to best solution
R
packages

A completely objective, totally scientific ranking (2025 edition)

Nov 17, 2025
Joshua Marie

How much do you know about pipes?

History and Functionality of pipes
R
pipes
tidyverse
programming
I’ll go dive about the history of pipes in R. Pipes have revolutionized the way we write R code, making it more readable and maintainable. But the story of pipes in R is…
Nov 10, 2025
Joshua Marie

The Hidden Magic of Tidy-Select: R’s Universal Column Selection Language

Not limited to tidyselect helpers
R
tidyselect
tidyverse
Have you ever wondered how where(), starts_with(), and other selection helpers work seamlessly across different tidyverse packages? I recently discovered something…
Nov 3, 2025
Joshua Marie

Box: Placing module system into R

Definitive Guide
R
book
Click here to read the actual book.
Oct 8, 2025
Joshua Marie

First level of time series modelling: Basic ARIMA model hyperparameter tuning and grid search in R

Basics of grid search for ARIMA with plots in R
R
time-series
machine-learning
grid-search
How do you train ARIMA model in your time series models? Grid search, or Hyndman and Khandaka (2008) algorithm? I created this document to demonstrate you how to fit every…
Sep 27, 2025
Joshua Marie

Automatically generate Deep Feedforward Neural Network (DFFNN) module from torch expression

Use case of code generation in practice
R
machine-learning
torch
pointless-code
I have a course tutorial, which I discuss the things to get “advance” in R. Code generation is part of it. My blog compiles pointless codes in pointless code series, and…
Sep 23, 2025
Joshua Marie
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