phd | useful things ; sometimes proofs

This is the function i have written

I have several files in a folder that look like "blabla_A1_bla.txt", "blabla_A1_bla.phd","blabla_B1_bla.txt", "blablabla_B1_bla.phd"...and all the way to H12. Then I have a df that indicates which sample is each one.

I want to rename the files in the folder according to the table. So that A1 gets replaces by F32-1, B1 by F13-3 and so on.

I have created a list of all the files in the directory with files<-list.files(directory). I know how to use the str_replace function of the stringr package to change them one by one, but I don't know how to make it automatic. I guess I need a loop that reads cell 1,1 of the dataframe, searches that string in "files" and replaces it with the value in cell 1,2. And then moves to cell 2,1 and so on. But I don't know how to code this. (Or if there is a better way to do it).

I'll appreciate your help with this.

To give context to my issue. I am trying to move a list of files, where if the resolution is greater than 3.00, then move to a directory, Above3.

I'm creating a correlation table using the correlate function in the corrr package. Here is my code and a screenshot of the output.

I am trying to get the second last value in each row of a data frame, meaning the first job a person has had. (Job1_latest is the most recent job and people had a different number of jobs in the past and I want to get the first one). I managed to get the last value per row with the code below:

first_job <- function(x) tail(x[!is.na(x)], 1)

first_job <- apply(data, 1, first_job)

I'm a PhD student who's currently navigating R.

I've got a rather large dataset looking at the mass of leaves, organized by where they're found on the plant. For a part of this project, we'd like to see the combined mass and mean mass for the treatments.

Unfortunately, our code seems to be just summing up the mass of all leaves in the study.

I've pared down all the packages to 4 essential packages to eliminate the possibility of conflicts between the packages, and I've used Conflicted to try and determine if there's any conflicts (there aren't).

The output for the code below is simply 47588, the combined mass of all leaves in this study. It should be analyzing them using our treatments.

What do y'all think?

I have a dataset upon which I would like to implement the Naïve Bayes algorithm but it is triggering an error on line 107; str_column_to_float(dataset, i) as follows; "could not convert string to float:''" I thought it was because of the headers for the various columns but even after I removed them and run the code, it is still giving me the same error. Any help will very much be appreciated. The link to the dataset is as follows; [Dataset][1] The code is below

I am trying to recode some variables to factors to perform some basic visualizations. However, I encounter following error:

Error:

I need help with writing a git post-receive hook.

I need the hook to call external .exe file and pass in parameters.

This is my hook so far: