Need help with linear regression

zyzyzyzy Member Posts: 2 Newbie
I'm trying to run linear regression with over 300000 count in excel data (3500 in row, 90 in column). With most of the data around 80-99 is number. Tried running the process but took over a few hours, so i stopped trying.
Do i have to reduce my numbers or how can i run the process?

Also do i have a way to change polynominal to numerical or something that could have me run linear regression. I have polynominal columns for my label and id.
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