Creating COUNTIF equivalent in R

[jcblum]

Hi @Forrestgump! Welcome!

Welcome! I'm afraid you'll need to supply some more info in order for helpers to be able to understand your problem.

Can you please try to compose a small, self-contained reproducible example that illustrates your problem? (follow that link for instructions and explanations) A reprex makes it much easier for others to understand your issue and figure out how to help.

Since you're new here, it might also be helpful to know how to properly format code and console output that you post. Using proper code formatting makes the site easier to read, prevents confusion (unformatted code can get garbled by the forum software ), and is generally considered the polite thing to do. Check out this FAQ to find out how — it's as easy as the click of a button! :

FAQ: How to format your code

Formatting Code: the Basics All code or console output you include in your posts should be formatted properly. Luckily, this is very easy to do! Just use the code formatting button at the top of the post editing box: [image] Select some code Click the </> button! The code formatting button automatically adds special Markdown formatting symbols to whatever you selected. If you check the preview pane to the right of your post, you'll see that the forum software now outputs nicely formatted code . [04] The code formatting button is pretty smart! It can tell the difference between snippets of code that are part of a sentence and blocks of code that stand alone. …