Learn how to use SheetCleaner built-in charts to analyze your data cleaning results. Understand data composition with pie charts and identify which columns have the most duplicates using bar charts.
SheetCleaner Team
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Learn how to batch process multiple CSV files, handle encoding, delimiters and other common issues, supporting deduplication of tens of millions of records. Includes Python script examples.
Professional guide for Excel big data processing: 64-bit environment setup, CSV optimization, batch processing strategies. Solve million-row data freezing, memory issues, program crashes, provides SheetCleaner, Power Query, Python script high-performance solutions.
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Professional guide for marketing email list cleaning: handle case differences, Gmail dot rules, +alias tags. Supports complex scenarios like ZHANG.SAN@EXAMPLE.COM vs zhangsan@example.com, alice+ads@gmail.com vs alice@gmail.com.
