I would like to get the best model to use later in the notebook to predict using a different test batch. reproducible example (taken from Optuna Github) : my understanding is that the study below will tune for accuracy. I would like to somehow retrieve the best model from the study (not just the parameters) w…
Tag: python
Search for column values in another column and assign a value from the next column from the row found to another column
I am working with Pandas and am trying to populate a column with the values in another column, where another column contains the same value as in a specific column. Example: I want to search for each value in StringToCheck inside the CheckStringHere column, and assign the value from the AssociatedValue1 on th…
Syntax error when passing function with arguments to a function (python)
Learning decorators and I wanted to pass a function with arguments to a decorator function like shown below but I always get a syntax error. Please help! Output: Answer Your syntax is incorrect. To define a correct decorator and wrapper function, see what follows: Output:
Error:module ‘cv2.cv2’ has no attribute ‘STEREO_BM_BASIC_PRESET’
I am trying to get the depth map of two stereo images but error ‘cv2.cv2’ has no attribute ‘STEREO_BM_BASIC_PRESET’ occurred. the code: Answer solved worked with OpenCV 4.
Python Database that stays with the program
So mysql works great when you log into your mysql database program on that device but what if you want to move the program to another device, the connected databases wont work… Is there anyway to have the database somehow within the python file, so that when I move it to other devices it will act the sa…
Why is ‘scipy.sparse.linalg.spilu’ less efficient than ‘scipy.linalg.lu’ for sparse matrix?
I posted this question on https://scicomp.stackexchange.com, but received no attention. As long as I get answer in one of them, I will inform in the other. I have a matrix B which is sparse and try to utilize a function scipy.sparse.linalg.spilu specialized for sparse matrix to factorize B. Could you please e…
Pickle all variables
I”m looking for a way to pickle all the variables with their values in a sorted order. I’m trying the method below: Expected result: Append value of va to totalList , then vb’s value..and so on. And then dump the totalList to a pickle file. I’m getting result like this: I want to get r…
discord.py : Sort message ID in a JSON file by user
I’m currently in the process of making a kind of ticket system. I want to do that through a reaction. When a user clicks on the reaction, a message is sent to a specific channel. This message ID is saved in a JSON file and should be assigned to the user who clicked on the reaction. But if I save
python3.7 subprocess failed to delete files for me
I have a python script using ‘subprocess’ running linux command to confirm my task is doing the right thing, and it worked well. But i found that at the same time it will generate some log files when running my task. So i added a clean up function to rm log files for me at the beginning. My script…
How to rename a header and add values (to this column) based on other header name?
I have multiple Pandas dataframes like this one (for different years): df1= And I would like to assign to the nan the year in the Monthly Flow (2018) column, thus achieving this output: I know how to replace these nan by a specific year, one dataframe at a time. But, since I have a lot of dataframes (and will…