This is a comprehensive application that provides an interactive data analysis and visualization platform. The app allows users to upload CSV or Excel files and automatically generates detailed insights, visualizations, and data quality reports. Core Features ? Data Upload & Processing. 1. Drag-and-drop file upload interface with progress tracking. 2. Support for CSV (.csv) and Excel (.xlsx) files up to 16MB. 3. Secure file handling with validation and temporary storage. 4. Automatic data type detection and analysis. ? Comprehensive Data Analysis 1. Dataset Overview: Displays row/column counts, data types, and structure 2. Missing Values Analysis: Identifies and quantifies missing data by column Data Quality Assessment: Duplicate row detection Outlier identification using IQR and Z-score methods Data completeness metrics Memory usage analysis Statistical Summary: Comprehensive descriptive statistics for numeric columns ? Interactive Data Cleaning Tools Missing Value Handling: Remove rows/columns with missing data Fill with mean, median, or mode values Configurable threshold for column removal Data Quality Operations: Duplicate row removal Outlier detection and removal (IQR or Z-score methods) Data Type Conversion: Convert between numeric, datetime, categorical, and string types Cleaning Reports: Detailed summary of all applied operations ? Rich Visualizations Interactive Charts powered by Plotly.js: Histograms for numeric data distribution Bar charts for categorical data Pie charts for category distribution Correlation heatmaps for numeric relationships Missing values visualization Responsive Design: Charts adapt to different screen sizes