I have a pandas dataframe like user_id music_id has_rating A a 1 B b 1 and I would like to automatically add new rows for each of user_id & music_id for those users haven’t rated, like user_id music_id has_rating A a 1 A b 0 B a 0 B b 1 for each of user_id and music_id combination pairs those
Tag: python
Iterate in a dictionary inside a list of json and get a dataframe
I have a file with this structure (it comes from a json): I need to iterate through it for getting a dataframe like this: I’m trying to do it with this code: But I’m getting a dataframe with 3 columns: document, highlights and text_match like this: . I guess the solution is not very difficult but …
Problem with python web-scraping when reading a URL using “get” function
I have trouble using the “get” function to read the URL taken from cell A1 in the excel file “tennis3.xlsx”. I have tried different solutions and I have no idea how to get it to read it and use it to get a webpage response. The problem probably starts at at ‘sheet[“A1”…
How to integrate two models in sequential order in one endpoint?
I want to create an API using one endpoint but in my app, the first model output is the second model output. Is it possible to implement using SageMaker? From my understanding model_fn, prediction_fn, output_fn can only use one model at a time. Answer Pipeline Model (sequential models) There is a specific mod…
How can I limit text score with $gt operator in MongoDB?
I want to limit text scores using the $gt operator. Using the find function, I can sort the text scores according to the text similarity status from largest to smallest. I can get the cursor with the highest score by putting a limit of 1 on the rank. But I don’t want the ones whose text score is below t…
Python: Why do functools.partial functions not become bound methods when set as class attributes?
I was reading about how functions become bound methods when being set as class atrributes. I then observed that this is not the case for functions that are wrapped by functools.partial. What is the explanation for this? Simple example: I kind of expected them both to behave in the same way. Answer The trick t…
ValueError: Invalid classes inferred from unique values of `y` in XGBoost
I’m new to the Data Science field and I’m trying to apply XGBoost in a table having 5 rows × 46 columns and my last column is my target column. and the error I’m getting is Can anyone help me with the resolution? Answer I think you need to have the class numerotated from 0 to n-1 where n is
Scraping data through changing Xpaths
I can’t figure out how to scrape data, I am trying to scrape the product name, price and other information from the website, the product names are easy to access as they have similar xpath with only one tag that changes but for the prices the there are multiple changes to the tags.Is there an alternativ…
want to make python function a tv_turn_on_or_Off() to print on for first time then off if called again
make a function named tv_turn_on_or_Off() ,it will take no parameter. if called for the first time it will print tv is on. if called again it will print tv is off. Then,if called again will print tv is on Answer Just have a simple flag as your instance variable. By each call you should toggle it:
Print side by side .describe() in pandas
Hello so i have two columns that im using describe() and im getting their stats. I have something like this I want to print desk1 and desk2 below of each category.I am doing this: I get this : And i my desired output is this: I would like to not create a dataframe.Any solutions? Thanks in advance Answer What …