Categories: AI/ML Research

A Gentle Introduction to Lists and Data Frames in R

Vectors in R are supposed to be of homogeneous data type. You can use a list as the container if there are mixed data types, such as numbers and strings. The list and data frame are closely related in R. The data frame is probably more useful because it reflects how we usually collect statistics. […]

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A Gentle Introduction to Vectors in R

Last Updated on August 18, 2023 R is a language for programming with data. Unlike many other languages, the primitive data types in R are not scalars but vectors. Therefore, understanding how to deal with vectors is crucial to programming or reading the R code. In this post, you will…

August 19, 2023

In "AI/ML Research"

A Gentle Introduction to Using R Markdown

Last Updated on September 18, 2023 One reason people would like to use RStudio for their work is because of the R Markdown. This made the RStudio not only an IDE for programming in R, but also a notepad in which they could put down their thoughts with R code…

September 19, 2023

In "AI/ML Research"

A Gentle Introduction to Graph Neural Networks in Python

Graph neural networks (GNNs) can be pictured as a special class of neural network models where data are structured as graphs — both training data used to train the model and real-world data used for inference — rather than fixed-size vectors or grids like image, sequences, or instances of tabular…

March 26, 2025

In "AI/ML Research"

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