Row-wise concatenation in pandas Question: How can I concat strings in a pandas Dataframe row-wise and create a new row out of it? Here for example, I want to create a new row by concatenating the values in all cells of index 3 and 4. So the desired row would look like this: pd.Series([Brand Model, …
Pandas merge two dataframes horizontally Question: I am dealing with a problem like this: mydata_old | x | y | |—–|——| | 1 | 10 | | 2 | 15 | | 3 | 12 | | 4 | 21 | mydata_new | x | y | |—–|——| | 4 | 20 | | 5 …
Concatenate columns ignoring duplicates with pandas Question: does anyone know how to concatenate multiple columns excluding duplicated values? I’m a student of python, this is my first project and I have a problem I have a dataset like this one: each number represents a column from my dataframe df = {‘col1’: [‘a’,’b’,’a’,’c’], ‘col2′: ["","",’a’,”], ‘col3′: …
first argument must be an iterable of pandas objects, you passed an object of type "Series" Question: I have the following dataframe: s = df.head().to_dict() print(s) {‘BoP transfers’: {1998: 12.346282212735618, 1999: 19.06438060024298, 2000: 18.24888031473687, 2001: 24.860019912667006, 2002: 32.38242225822908}, ‘Current balance’: {1998: -6.7953, 1999: -2.9895, 2000: -3.9694, 2001: 1.1716, 2002: 5.7433}, ‘Domestic demand’: {1998: 106.8610389799729, 1999: …
How to concatenate columns in CSV file using Python and Count the Total per UniqueID? Question: This question have been asked multiple times in this community but I couldn’t find the correct answers since I am beginner in Python. I got 2 questions actually: I want to concatenate 3 columns (A,B,C) with its value into …
Space de-limited results, errors when Concatenating 2 columns Question: the code I’m running gives results that are space de-liminated. This creates a problem with my sector column which gives a result of Communication Services. It creates 1 column for Communication and another column for Services where I need 1 column saying Communication Services. I have …
How to create a pandas dataframe from a txt file with comments? Question: I need to create a pandas dataframe based on 4 txt files with comments (to skip while reading) based on the following structure: # Moteur conçu par le Poly Propulsion Lab (PPL) nom=Tondeuse # Propriétés générales hauteur=0.5 masse=20.0 prix=110.00 # Propriétés du …
How do you split an array into specific intervals in Num.py for Python? Question: The question follows a such: x = np.arange(100) Write Python code to split the following array at these intervals: 10, 25, 45, 75, 95 I have used the split function and unable to get at these specific intervals, can anyone enlighten …
Add data to DataFrame by function Question: thats my function: import pandas as pd shopping_list = pd.DataFrame() shopping_list = shopping_list.assign(Order=0, Type=0, Price=0, Quantity=0) def add_item(order: str, type_transaction: str, price: float, quantity: int, shopping_list=shopping_list): new_item_data = pd.DataFrame({"Order": [order], "Type": [type_transaction], "Price": [price], "Quantity": [quantity]}) return pd.concat([shopping_list, new_item_data], ignore_index=True) add_item(order="Buy", type_transaction="Add", price=20.0, quantity=100) add_item(order="Sell", type_transaction="Add", price=25.0, quantity=200) …
Why is pandas adding new columns to my new excel file Question: I am trying to concatenate two excel files with the same column names together, but there seems to be a problem as there are new empty columns/spaces being added to my new excel file, and i don’t know why. I used pd.concat() function …
