I want to replace "Out of range" text with a minimum value found from each column and subtract 0.01 from that. How could I create a loop to do this without having to go through a large dataset manually?

[![enter image description here](https://i.stack.imgur.com/AqkTW.png)](https://i.stack.imgur.com/AqkTW.png)

for example here, replace `OOR <` with 0.18