import-from-excel Archives

Import and Export Excel – What is the best library?

September 3, 2022 by Magenaut

ClosedXML makes it easier for developers to create Excel 2007/2010
files. It provides a nice object oriented way to manipulate the files
(similar to VBA) without dealing with the hassles of XML Documents. It
can be used by any .NET language like C# and Visual Basic (VB).

Importing from Excel – non-numeric values are ignored

August 24, 2022 by Magenaut

I have code that imports from Excel sheets of a specified format. In one of the columns, most data is numeric, but non-numeric values are also present. The non-numeric values are ignored by import code, for some reason.

Faster way to read Excel files to pandas dataframe

August 19, 2022 by Magenaut

I have a 14MB Excel file with five worksheets that I’m reading into a Pandas dataframe, and although the code below works, it takes 9 minutes!