I’m trying to make a classifier with XGBoost, I fit it with RandomizedSearchCV. Here is the code of my function: When I run the code, I get an error, reported below: When I do the same thing but with GridSearchCV instead of RandomizedSearchCV, the code runs without any problems! Answer It’s not pr…
Python Error: ‘TypeError: a bytes-like object is required, not ‘str” for Robot Controller using UDP Protocol
I was trying to make a keyboard-based controller for my robot using the UDP protocol to send packets of keypresses to an ESP8266 NodeMCU microcontroller using Python. When I wrote this code, the following error appeared: This is the code: Answer You got this error because the method you’re calling expec…
How do I replace multiple blank spaces occuring in a text file with a single space in python
Answer Split string by default splits string at spaces and ignores multiple consecutive spaces:
Accessing __doc__ of function inside a lambda
I would like to extract the docstring of a function once it has been wrapped in lambda. Consider the following example: I get: How can I reference the function called on “calling” the lambda one? Update Thanks for all answers: Answer There is no “good” way to do this. However, it is te…
How to calculate average percentages of values within group?
I have a dataframe: I want to calculate percentage of each ‘type’ within date group and then average values among all dates. So desired results must be: and then average among all dates. this is the desired final result: How to do that? Answer You can try this: or this: It’s not quite clear …
Convert comma-separated values into integer list in pandas dataframe
How to convert a comma-separated value into a list of integers in a pandas dataframe? Input: Desired output: Answer There are 2 steps – split and convert to integers, because after split values are lists of strings, solution working well also if different lengths of lists (not added Nones): Or: Alternat…
Renaming scientific paper PDFs from one name pattern to another name pattern
I am trying to automate the renaming of PDFs of scientific papers from one name pattern to another using python. The name pattern the PDFs occur in looks like this: Cresswell, K., Worth, A., & Sheikh, A. (2011). Implementing and adopting electronic health record systems. Clinical governance- an internatio…
Python Multiprocesssing: When i submit a list of objects to ProcessPoolExecutor, is a copy or a reference submitted?
I try to parallelize a part of a huge project. I got a lattice consistent of points and I perform a calculation at each individual point of the lattice. To speed up the calculation I want to subdivide the points of the lattice into different sublists and perform the calculations on individual processes via a …
How do I continue my try/catch in my while-loop
I’m making this blackjack game and I’m sure if you’ve played the game you know the rules. Basically I have 5 amount of chips and I’m letting the user type in their bets for the round. I have this try catch block thats supposed to not let the user type in anything below 0 and above the …
I have made a dictionary using a list as the values for each key, I want to print the values without square brackets
Output: How do I get all of the items to print? If I remove the asterisk before value it prints all 3 items, but in square brackets. Answer You can create the string to be output right in the format() method call: Output: