I'd like to create class labels for a permutation of two columns using sklearn's LabelEncoder(). How do I achieve the following behavior? import pandas as pd im
(I recently asked this question on r/learnpython (here), but didn't get any feedback, so am re-posting it verbatim here. Hope that is okay!) Suppose I have a D
I have a basic set of data like: ID Value A 0.1 B 0.2 C -0.1 D -0.01 E 0.15 If we use data.rank() we get the result: ID Value A 3 B 5 C 1 D 2 E 4 Bu
In Python, I have a dataset like this below, where column1 and column2 are objects and not strings: data = {'id': ['first_value', 'first_value', 'second_value'
In Pandas, it is simple to slice a series(/array) such as [1,1,1,1,2,2,1,1,1,1] to return groups of [1,1,1,1], [2,2,],[1,1,1,1]. To do this, I use the syntax:
I couldn't make head or tail of this: I have a function that reads a bunch of csv files from a S3 bucket, concats them and returns the DataFrame: def create_df(
1.Link is "https://www.xyz.{country}/dp/{asin}" 2.I have to pick two things from csv file which country and asin. CSV file contains : Asin Country 0
I currently have several hundred .csv files in the format shown on the left below, and I need to transform them all into the format shown on the right. I tried
So after much trying I've managed to get something a bit closer to what I intend to do. Scenario is as follows, a dataframe with many columns of which one conta
I have a huge spreadsheet of data that looks something like this: Date IDNumber Item 2021-05-10 1 Apple 2021-05-10 1 Orange 2021-05-10 2 Apple 2021-05-10 2 Gra
I have a df made of values from a dictionary. I can get rid of [], ',' and split it all in different cols (one col per number). But can't make the transfer to f
I have several dataframes of some value taken very hour, on several year, like this : df1 Out[6]: time P G(i) H_sun T2m WS10m Int
I have a mining dataset which has a following features Rock_type, Gold in grams(AU). Rock type has 8 different rock types and Gold (AU) has pr
I'm trying to iterate through a lot of xml files that have ~1000 individual nodes that I want to iterate through to extract specific attributes (each node has 1
Given a multiindex df X E1_ex0 E1_ex2 E2_ex0 E4_ex0 0 3 4 1 1 1 4 3 2 0 I would like to s
How can I perform a (INNER| (LEFT|RIGHT|FULL) OUTER) JOIN with pandas? How do I add NaNs for missing rows after a merge? How do I get rid of NaNs after merging?
This is my first post at Stackoverflow, so thank you for the help. I am trying to replicate a code where I can match a list within a dataframe to another list,
I am trying to read a parquet file (not compressed) into a pandas dataframe on a EMR cluster. I am using EMR 6.4 and parquet version 1.1.5. We are in the proces
I am trying to build a DataFrame using pandas but I am not able to handle the case when I have the variable size of JSON chunks I am getting. eg: 1st chunk: {'a
I have a simple python script that leads to a pandas SettingsWithCopyWarning: import logging import pandas as pd def method(): logging.info("info") l