D3.js Data Visualization

4.

Data Handling and Processing

4.1.

Loading External Data

4.1.1.

Supported File Formats

4.1.1.1.

4.1.1.2.

4.1.1.3.

4.1.1.4.

4.1.2.

Asynchronous Data Loading

4.1.2.1.

Promise-Based Loading

4.1.2.2.

Error Handling Strategies

4.1.2.3.

Multiple File Loading

4.2.

Data Parsing and Conversion

4.2.1.

Type Conversion

4.2.1.1.

String to Number Conversion

4.2.1.2.

Boolean Conversion

4.2.1.3.

Handling Invalid Data

4.2.2.

Date and Time Parsing

4.2.2.1.

Time Parse Functions

4.2.2.2.

Time Format Functions

4.2.2.3.

Locale-Specific Formatting

4.3.

Data Transformation Techniques

4.3.1.

4.3.1.1.

4.3.1.2.

Rollup Function

4.3.1.3.

4.3.2.

Data Aggregation

4.3.2.1.

Sum Calculations

4.3.2.2.

Average Calculations

4.3.2.3.

Count Operations

4.3.2.4.

Min and Max Values

4.3.3.

4.3.3.1.

Ascending and Descending

4.3.3.2.

Custom Sort Functions

4.3.3.3.

Multi-Level Sorting

4.3.4.

4.3.4.1.

Conditional Filtering

4.3.4.2.

Range Filtering

4.3.4.3.

Complex Filter Logic

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5. Scales and Data Mapping