Data Cleaning in Python π§Ή
Before analysis, data needs to be cleaned to ensure accuracy and reliability.
Here are the key steps:
πΉ Steps in Data Cleaning
- Remove Duplicates β drop repeated rows.
- Handle Missing Values β fill, drop, or impute.
- Fix Data Types β ensure correct formats (int, float, datetime).
- Handle Outliers β detect & treat extreme values.
- Standardize Text β trim spaces, lowercase, fix typos.
- Normalize/Scale Data β prepare for modeling.
β‘ Fun Fact: Nearly 70β80% of data analysis time goes into cleaning and preparing data β not building models!
β¨ Data cleaning may feel boring, but itβs the foundation of trustworthy insights.
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