Question: Importing csv file and plotting it in maple

I have a csvfile that contains text and real numbers. As it contains text there must be some trick to force maple read only floating points and then plot it.

The below works fine if the file doesn't contain text:

 A:= ExcelTools :- Import("C:\\Users\\path\\filename.xls");

p1 := plots:-pointplot(A, style = line, linestyle = dash, color = blue);

plots[display]([p1]);

Thanks,

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