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Is Excel's Clean Data button the ultimate time-saver for messy spreadsheets? Find out how it works, its quirks, and how it compares to Power Query ...

The advantage of Python is that you can apply operations to larger datasets with hundreds, even thousands, of data points ...

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做电脑软件测评 5 年，每天都会收到类似留言：“小编，U 盘里的客户方案误删了，明天就要交，怎么恢复？”“刚把自媒体素材拷进 U 盘，手滑删了一半视频，有免费方法吗？”“U 盘格式化后才发现存了孩子的生日照片，怕花钱又怕恢复不了，急得睡不着”…… ...

PCMag experts have been testing and rating video and photo editing tools for decades. Now, for the first time, our savvy ...