I have this pandas dataframe: And what I want to do is use apply() with a function to convert all the data to lowercase. I couldn’t find anything on the internet showing how to do this, I am currently stuck with this. however it gives me error that series object has no attribute lower. Any help greatly …
How to check if a substring in a pandas dataframe column exists in a substring of another column in the same dataframe?
I have a dataframe with columns like this: I want to create a list with values from A that matches values from B. The list should look like [- 5923FoxRd, Saratoga Street, Suite 200…]. What is the easiest way to do this? Answer To make a little go a long way, do the following: Create a new series for eac…
Discord.py on_member_join not working, no error message
I am trying to make a discord bot with the Discord.py library. The commands with the @client.command() decorator work fine for me, but none of the event ones that I tried work. I would expect this to output to the terminal or in the channel id I put in, but nothing appears, not even an error message. *I used …
Adding a static header in a csv file to fill all rows with a word
I am collecting names and numbers and exporting it into a csv file. column A is = names column B is = numbers How can I get column c to fill all rows with “Phoenix” so that every column that has a name or number in it column c would say phoenix? Answer There is the columns c with phoenix.
Include only .gz extension files from S3 bucket
I want to process/download .gz files from S3 bucket. There are more than 10,000 files on S3 so I am using This lists .txt files which I want to avoid. How can I do that? Answer The easiest way to filter objects by name or suffix is to do it within Python, such as using .endswith() to include/exclude objects. …
How to plot data from multiple dataframes with seaborn relplot
I want to plot two lines on the same set of axes. It seems sns.relplot is creating a facetted figure, and I don’t know how to specify that I want the second line on the same facet as the first. Here’s a MWE How do I get the red and blue lines on the same plot? I’ve not had luck
How to get the N most recent dates in Pyspark
Is there a way to get the most 30 recent days worth of records for each grouping of data in Pyspark? In this example, get the 2 records with the most recent dates within the groupings of (Grouping, Bucket). So a table like this Would turn into this: Edit: I reviewed my question after edit and realized that no…
Efficient reverse-factorization of a number given list of divisors
Given a number n and a list of divisors A, how can I efficiently find all the combinations of divisors that, when multiplied, yield to the number? e.g. Output: This is what I managed to do so far (code that I re-adapted from one of the many find-prime-factorization questions on stackoverflow): This code seems…
Pandas sort column values with “0” values at end of column
I have a dataframe which looks like this I would like to have “0” values at the end when sorting so my resulting dataframe looks like this. Is there a simple (1 line of code) solution? Answer First mask the zeros then use argsort on column A to get the indices that would sort the dataframe:
Pandas: str.contains first word followed by colon
I am trying to understand how to identify columns which start with a word, which is immediately followed by a colon. I tried identifying that it should match less then 9 characters, followed by a colon – but with no lack. The example is below: Michael: this should be picked up pandas This should not be …