How to Filter pandas dataframe [Error : list indices must be integers or slices, not str]

I have dataframe loaded in colab, my data look like this id parent_name_1 parent_name_2 1 NUll Apricots 2 Apple Red Apple 3 Null …

Adding to a nested Dictionary in a Column in Pandas

So, I have a fun issue. I have some data that have a fun nested dictionary that I need to manipulate, but am having trouble. I can do it in pure python, but wanted to do the entire solution in Pandas …

Converting string in a Pandas data frame to float

I have the following data frame: Bestand = pd.DataFrame({‘ISIN’: [‘NaN’, ‘IE00B4X9L533’, ‘IE00BF4RFH31’], ‘Marktwert’: [‘217.803,37’, ‘47.755,10’, ‘15.353,32’]}) In order to calculate …

Is there an easy way to establish a hierarchy between entities using only 2 ID fields?

I have a table with 2 fields like so: Account_ID Parent_ID x y x1 y x2 y y z y1 z y2 z z z z a z1 a a a b b The IDs fields are both in int64 format. The first field represents accounts …

TypeError: object cannot be converted to an IntegerDtype

I want to replace nan values in B with A in df: df: A B 0 Bb00 100080 1 Aa00 2 Cc10 450089 df data types: A object B Int64 dtype: object I tried: df[‘…

Combining unique elements of a DataFrame in a list

I’ll try to ask my question as clearly as possible. I have the following DataFrame which looks like this import pandas as pd data = {‘player’ : [‘A’, ‘A’, ‘A’, ‘B’, ‘B’, ‘B’, ‘C’, ‘C’, ‘C’], ‘…

Create new pd dataframe column that gives a date based on day and week starting data

I have a pandas dataframe that has two columns, the first column is ‘Week Starting’ and the other is ‘Day’. I wanna create a new column that uses the data from the other two columns to give a full …

limit pandas .loc method output within a iloc range

I am looking for a maximum value within my pandas dataframe but only within certain index range: df.loc[df[‘Score’] == df[‘Score’].iloc[430:440].max()] This gives me a pandas.core.frame.DataFrame …

How to remove a certain number of characters at the start of a string

I have a dataset of NHL Free Agents, however they are numbered as a part of the name. I am trying to make “1. Alex Ovechkin” look like “Alex Ovechkin”. Basically just trying to …

Dataframe row slicing is not consistent

I have a DataFrame variable called data with ~ 6 mil rows and I’d like to process it 50 rows at a time. I have the following code: #Only 4001 for debugging purposes for i in range(0,4001,50): print(…