I'm getting the Error in eval error, I just want to know what the error means and why does it occur?
This error is caused by references to objects that don't exist. So check the code.
This is a very common issue that ...READ MORE
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys ...READ MORE
Hey @Ali, change working dir, exit r ...READ MORE
install.packages(“package_name”, repos="http://cr ...READ MORE
Basically here we are making an equation ...READ MORE
By assuming that all the values are ...READ MORE
For avoiding rowwise(), I prefer to use ...READ MORE
Basically all we have to do is ...READ MORE
There can be two reasons for this ...READ MORE
Edit your code:
columnmean <- function(x, removeNA = ...READ MORE
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