I am working on a project that involves analyzing the text of political emails from this website: https://politicalemails.org/. I am attempting to scrape all the emails using BeautifulSoup and pandas. I have a working chunk right here: The above results in pulling the data I want. However, I want to loop thro…
Tag: pandas
Python: How to explode column of dictionaries into columns with matching keys?
I have a column in pandas dataframe that has the following structure (see example). I think I have a nested dictionary in a single column, and I want each key to have it’s own column. I want all the matching keys to be the same column. Run the examples for more details I want to explode the dataframe so…
Replicate rows in a pandas dataframe based on the column values of another dataframe
Is there a way I can replicate the number of rows in matches_df based on the row value 10 which is present in booklines. The end result is the matches df replicated ten times like this. I am looking for a programatic way of doing this instead of manually adding in the ten like so. matches_df.append([matches_d…
Python chunks write to excel
I am new to python and I m learning by doing. At this moment, my code is running quite slow and it seems to take longer and longer by each time I run it. The idea is to download an employee list as CSV, then to check the location of each Employee ID by running it trough a specific page
how to get .value_count and values in single data frame
This is my sample csv When I do .value_counts() I get I want to get This is my current attempt This does not concat the two df properly and does not have the ID Any suggestions? Answer You can use a groupby.agg in place of value_counts: Output:
How to remowe a string up to a specific character (Python/pandas)?
I have the DataFrame: How I can cut values that get the next result, which you can see in the df[‘name_2] column: enter image description here Answer You can use urllib.parse module to parse those URLs.
Appending Dataframe to another dataframe with first row removed
Right now this query creates 14 csv files. What I wanted is, the for loop to remove the first row of column headers and append the data to a dataframe I created outside the for loop. so that I can get it as single csv file. I am using BS and Pandas. Answer This is one way of achieving your
How to filter subcategories of rows from one column, based on counts in second column
Sorry it’s a bit complicated, but lets say I have a very long table of IDs and Fruits: ID Fruit 1 Apple 2 Banana 4 Orange … … 3 Banana 1 Orange The ID may be repeated several times in the table and the fruit may also be repeat several times. For example, in the whole dataframe, ID #1 can
Pandas: Remove rows in a group if a particular value is also in a group
I’m trying to use groupby and agg() function for this data processing step: Input: I plan to aggregate the data by ID. The requirement is if apples and oranges show up for the same ID, keep ‘Apples’; for other combinations, keep the first observation for each ID. So wanted output: I could pi…
Select all rows of a dataframe where exactly M columns in any order satisfy a condition based on N columns
I want to select all the rows of a dataset where exactly M columns satisfy a condition based on N columns (where N >= M). Consider the following dataset The code below selects conditions where at least one (or more) of the columns (y0, y1, y2, y3) are True. However, I want to select rows where exactly 2 (a…