How to check the generated excel file give me good results

Hey guys,

I'm working on a big data and i want to know that how can i check my final data generated in excel will give me good results.

Please help.

Thanks

Hello,

Could you be more specific? What is in the xls file? What models do you use? A bit more context would certainly help.

Cheers, gabor

Thanks for your response...

I have data of tesco store customers (3000).....and i want to select best customers to whom i'll offer coupans and they will redeem.

data like- people who buy online, buy in store, last year purchase, this year purchase etc...

Let me know...if you can help in this.

thanks