R : How to extract the first item in a list(even if the list is empty)

Channel:
India Hey Delphi
Subscribers:
76,400
Published on ● Video Link: https://www.youtube.com/watch?v=VDc4DFKV65A


Category:
Guide
Duration: 1:00
0 views
0

R : How to extract the first item in a list(even if the list is empty)
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

As promised, I have a secret feature that I want to reveal to you.
This is a YouTube's feature which works on Desktop.
First, Make sure this video is playing.
Then, type the letters 'awesome' on the keyboard.
It will change your youtube progress bar into a flashing rainbow.

A brief introduction of myself,
Hey, I am Delphi.
I am here to help you get the answers you are seeking.
R : How to extract the first item in a list(even if the list is empty)
If you need more specific answers, please leave a comment or start a chat with me.
Your thoughts and contributions are welcome, so please leave a comment below if you have an answer or insights to the answer.
A 'heart' from me will be given as a sign of appreciation for your answer.
a is empty) list(even extract if item in the : list the to first How R



Other Videos By Hey Delphi


2023-04-15Windows : Why do XCOPY /W and REPLACE /W consume all redirected text data for their one-character pr
2023-04-15NodeJS : What is auto escape used for in Swig templating for Node.js?
2023-04-15PYTHON : How do I get the file / key size in boto S3?
2023-04-15MySQL : How can I remove every column in a table in MySQL?
2023-04-15NodeJS : How to concatenate two arrays in NodeJS / ExpressJS
2023-04-15C++ : is boost::lockfree::queue not lockfree with c++11?
2023-04-15Django : How to make case insensitive filter queries with Google App Engine?
2023-04-15C++ : How to work around Visual Studio Compiler crashes
2023-04-15C# : How do I write Blazor HTML code inside the @code block?
2023-04-15Array : How to convert array keys to $_POST[name]
2023-04-15R : How to extract the first item in a list(even if the list is empty)
2023-04-15R : Is it possible to use an AND operator in grepl()?
2023-04-15SQL : How does table alias names affect performance?
2023-04-15PYTHON : How to install python package with a different name using PIP
2023-04-15SQL : How can I Repeat Excel SQL query on separate cell values
2023-04-15NodeJS : What HTML5 Canvas tools should I use to build a card game?
2023-04-15NodeJS : How do I find out which version of angular-cli a version of nodejs support?
2023-04-15SQL : What is the purpose and use of "AND type in (N'P', N'PC')" in sql stored procedures?
2023-04-15MySQL : What's a more concise way to write a self join SQL
2023-04-15C++ : Will we be able to construct containers with views in C++20?
2023-04-15Array : How to filter an array of objects by their first letter in react/javascript