Comprehensive Data Cleaning and Preprocessing
Starting at
$
10
/hrAbout this service
Summary
What's included
Data Cleaning and Preprocessing
1️⃣ Data Quality Assessment Identifying missing values, duplicates, inconsistencies, and outliers. 2️⃣ Handling Missing Data Imputation using mean, median, mode, forward/backward fill, or advanced ML techniques. 3️⃣ Duplicate & Outlier Removal Detecting and removing redundant data entries and extreme values affecting analysis. 4️⃣ Data Standardization & Normalization Scaling numerical data using MinMaxScaler, StandardScaler, or log transformation for consistency. 5️⃣ Categorical Data Encoding Converting categorical variables into numeric format using One-Hot Encoding, Label Encoding, or Target Encoding. 6️⃣ Feature Engineering & Selection Creating new features, transforming existing ones, and selecting the most relevant attributes for analysis. 7️⃣ Data Formatting & Structuring Converting data into a structured format (CSV, Excel, SQL, JSON) for further analysis or modeling. 8️⃣ Final Cleaned Dataset & Report Providing the processed dataset along with a summary report detailing all transformations and justifications.
Skills and tools
Data Modelling Analyst
Data Scientist
Data Analyst
Data Analysis
MATLAB
Microsoft Excel
pandas
Tableau