R : calculate median from data.table columns in R

To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

So here is a secret hidden feature I promissed to tell you.
This is a YouTube's feature which works on Desktop.
First, Make sure the video is currently in playing mode.
Next, enter the letters 'awesome' on your keyboard.
It will change your youtube progress bar into a flashing rainbow.

Let me give you a brief introduction of who I am,
Howdy, my name's Delphi.
Allow me to support you in answering your questions.
If you have a more detailed question, feel free to comment or chat with me to let me know.
Your input is valuable, so please comment below if you have an answer or any insights to the answer.
Providing an answer will be acknowledged and appreciated with a 'heart' from me.