What is its purpose? I tried reading the official site but wasn’t able to understand. Answer bincount returns the count of values in each bin from 0 to the largest value in the array i.e. e.g. Note: absent numbers (e.g. 5 above) return a count of 0 a ValueError is raised if the list contains negative nu…
loading EMNIST-letters dataset
I have been trying to find a way to load the EMNIST-letters dataset but without much success. I have found interesting stuff in the structure and can’t wrap my head around what is happening. Here is what I mean: I downloaded the .mat format in here I can load the data using it is a dictionnary with the …
TypeError: fit_transform() missing 1 required positional argument: ‘X’
I am trying to do Feature Scaling in a dataset, but I get an error and have no idea how to proceed: and here is my code: Answer You are assigning sc_X a reference to the StandardScaler class. but fit_transform() is is not a class method, but an instance method. This means that you have to create an instance o…
Retain environment of helper python script in main script
I’ve one helper script which I want to call from main script which is acting as a Server. This main script looks like this: Now Client will invoke this helper script by providing it’s name to main script(Server). After execution I want to retain variables of helper script (i.e: a,b) in main script…
Installing numpy with pip on windows 10 for python 3.7
I installed python 3.7 on my Windows 10 laptop since it has been officially released as of today (06/28/2018). Then i tried to install numpy package using pip The install proceeds but finally fails with the below error : Any ideas as to how to overcome this install Error? Thanks. Answer Installing NumPy on Wi…
Static Files from Site working, but not from app
Some confusion about static files (Python 3.6 Django 2.. IIS 8.5) My static files from site are found but the static files from the app are not found. I tried to add to the settings.py but did not help. Do I have to add a web.config also in the app static like in the site static folder? For IIS configuration
Issue with web scraping from website for capturing pagination links
I am trying to scrape data from all listed category URL’s on Home page (Done) and further sub category pages from the website and its Pagination links as well. URL is here I have created Python script for the same to extract data in Modular structure as I need Output from all URL’s from one step t…
Using the @property decorator for interrelated attributes within a Python class
This question relates to using the @property decorator within a class in Python. I want to create a class with two public attributes (say a and b). I also want the class to have a further public attribute (say c) that is always equal to some calculation based on the other attributes within the class (say a + …
Dataclasses and property decorator
I’ve been reading up on Python 3.7’s dataclass as an alternative to namedtuples (what I typically use when having to group data in a structure). I was wondering if dataclass is compatible with the property decorator to define getter and setter functions for the data elements of the dataclass. If s…
Find out the percentage of missing values in each column in the given dataset
input is https://query.data.world/s/Hfu_PsEuD1Z_yJHmGaxWTxvkz7W_b0 and the output should be Answer How about this? I think I actually found something similar on here once before, but I’m not seeing it now… And if you want the missing percentages sorted, follow the above with: As mentioned in the c…