I’m working on an experimentation personal project. I have the following dataframes: I have used the below code to construct errorbar plot, which works fine: for which the output of confint_plot(treat_repr) looks like this: Now if I run the same plot function on a pre-treatment dataframe confint_plot(pr…
Tag: pandas
summing the values row wise
I have a three column of data as arranged below: Input file: In the above input file the first column values are repeated so I want to take only once that value and want to sum the third column values row wise and do not want to take any second column values. I also want to append a third column
Read CSV file with Python function
I’m trying to write my read/write function to a csv, but it can’t return any value. I’m reading from a CSV, replacing the ” ; ” in the second column with ” ” and performing and saving the csv already handled. But for some reason it doesn’t save my csv, is my fun…
Web-scraping return empty values: possible protected site
I’m working with web-scraping from www.albumoftheyear.org, but in my code I can only get an empty df. I don’t know if the site is protected with some cloudflare and if this is a cause or I’m making a mistake with the selected tags. The basic idea is to iterate through the pages and collect t…
pandas: Explode (duplicate) by group
I have a df that looks like this : It’s an example for one row but there are thousands of rows. I want to explode each value where there are multiple values in these four “TEST” columns ie. I want each one to duplicate the row for each one of the “test” that is the same and if th…
Matplot lib generates Date in X-axis from Jan 1970
I have date index available in the following format: But the following code generates wrong graph: Answer Your dataframe index is likely in the wrong format: str. You can check this with df.info(), if you have something like: If that’s the case, you need to convert index type from str to datetime with: …
Read data from Excel and search it in df, TypeError: ‘in ‘ requires string as left operand, not float
I read a lot about this Error, but I couldn’t find a solution for me. I have an Excel with 3 columns in which I store keywords. I want to read these keywords and search it in a Pandas Dataframe. The Code below gives me an Error: The Code: But when I read just one column from Excel and write
Is it possible to call a function inside another function in Python? (Web-Scraping problem)
I’m working on a web-scraping task and I can already collect the data in a very rudimentary way. Basically, I need a function to collect a list of songs and artists from the Allmusic.com and then add the data in df. In this example, I use this link: https://www.allmusic.com/mood/tender-xa0000001119/song…
Convert 2 column dataframe into multi-level hierarchical dataframe
I have a pandas dataframe From To A B A C D E F F B G B H B I G J G K L L M M N N I want to convert it into multi column hierarchy. The expected hierarchy will look like Level_1 Level_2 Level_3 Level_4 A B G J A B G K A B
Get the last day of a year
I have a pandas df with a year column. I want to get the last day of that year. For example: 2020 –> 2020/12/31 I tried: but I get this error: “cannot convert the series to <class ‘int’> ” What am I doing wrong? Thanks PS I realized I could just do: but I’m still w…