Hey Group,
It has been a while. Hope this is an easy question.
I am now working with very large datasets of almost 50,000 rows and 40+ columns of data per worksheet with a dozen worksheets in the workbook. The data is weather information taken at every minute of the day. Each worksheet is a month of data. I am trying analyze the data but that is taking a tremendous amount of time. Therefore, I am trying to reduce the minute information to an average hourly information.
With some help, I am using the code below (which is much better than the code I had been using for a long time).
In column A I have created an identifier to provide an * if the data is not required and blank if it is. Then I run the code to find those rows and delete them. However, with almost 50000 rows of data, it is very time consuming. The end result is around 800 rows.
First, is there a better way to work with so much data without deleting portions of the whole data?
Second, the code below works but takes a long amount of time. Is there a more efficient way?
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