Categories: Data Science

Learn R – Extract Data Frame with One Column

This article represents code sample that could be used to create/extract data frame with one column from existing data frame. Please feel free to comment/suggest if I missed to mention one or more important points. Also, sorry for the typos.
Extract Data Frame with One Column

In the code sample below, diamonds dataset from ggplot2 package is used. To work with the example below, one needs to load the ggplot2 library using command such as require(“ggplot2”). In the command below, method as.data.frame is used. Make a note of drop=false parameter passed to as.data.frame method.

dfn1 <- as.data.frame(diamonds[,c(1)], drop=false) 
Latest posts by Ajitesh Kumar (see all)
Ajitesh Kumar

I have been recently working in the area of Data analytics including Data Science and Machine Learning / Deep Learning. I am also passionate about different technologies including programming languages such as Java/JEE, Javascript, Python, R, Julia, etc, and technologies such as Blockchain, mobile computing, cloud-native technologies, application security, cloud computing platforms, big data, etc. I would love to connect with you on Linkedin. Check out my latest book titled as First Principles Thinking: Building winning products using first principles thinking.

Recent Posts

What are AI Agents? How do they work?

Artificial Intelligence (AI) agents have started becoming an integral part of our lives. Imagine asking…

2 weeks ago

Agentic AI Design Patterns Examples

In the ever-evolving landscape of agentic AI workflows and applications, understanding and leveraging design patterns…

2 weeks ago

List of Agentic AI Resources, Papers, Courses

In this blog, I aim to provide a comprehensive list of valuable resources for learning…

2 weeks ago

Understanding FAR, FRR, and EER in Auth Systems

Have you ever wondered how systems determine whether to grant or deny access, and how…

3 weeks ago

Top 10 Gartner Technology Trends for 2025

What revolutionary technologies and industries will define the future of business in 2025? As we…

3 weeks ago

OpenAI GPT Models in 2024: What’s in it for Data Scientists

For data scientists and machine learning researchers, 2024 has been a landmark year in AI…

3 weeks ago