If Else Statement Using Apply & Lambda

Python

In this code snippet we use a lambda function to create if else conditional logic and use an apply function to apply this to the orders dataframe.

 1|  orders['in_promo'] = orders['PromoID'].apply(lambda x: 'N' if x == 'None' else 'Y')
analyseup
Lambda | If else | Apply
Did you find this snippet useful?

Sign up for free to to add this to your code library

Remove Stop Words from Text in DataFrame Column
Python

Pandas | Nltk | Nlp

142
LightGBM Custom Loss Function
Python

LightGBM | Loss function

127
Tuning XGBoost Hyperparameters with Grid Search
Python

XGBoost | Tuning

122
How to Convert DataFrame Values Into Percentages
Python

Lambda | Percentages | Pipe

115
How to Scale Data Using Standard Scaler But Keep Column Names
Python

Scaler | Standard

86
LightGBM Hyperparameter Tuning with GridSearch
Python

Python | LightGBM | Hyperparameter tuning | Gridsearch

85
Calculating Root Mean Squared Error (RMSE) with Sklearn and Python
Python

Rmse

82
Dynamically Create Columns in Pandas Dataframe
Python

Pandas | Columns

65
How to Train a Catboost Classifier with GridSearch Hyperparameter Tuning
Python

Catboost | Hyperparameter tuning

65
Overwriting a Python Logging File Instead of Appending
Python

Logging

61