wuju Posted October 24, 2024 Report Posted October 24, 2024 本人想读取一个CSV大型文件，数据很大，如何才能读取某一段时间内的数据，任意时间段数据，直接打开整个数据是打不开的。 Quote
Antoine Chalons Posted October 24, 2024 Report Posted October 24, 2024 您可以按行读取文件 如果您提供文件的一小部分，我可以帮助您编写一个 vi 来逐行加载文件 Quote
wuju Posted October 25, 2024 Author Report Posted October 25, 2024 拆分了一段，大一点数据传输困难，服务器老是断开，导致无法上传，麻烦您试试。 采样数据 2024_10_20 08_27_28_0.csv Quote
Antoine Chalons Posted October 25, 2024 Report Posted October 25, 2024 该文件中有四行头文件 (4 rows of header in this file) 下面是一个程序，它将读取四个标题行，然后每次读取其余的 100 行 read csv per chunk of 100 rows.vi 1 Quote
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