s I have data for credit card customers with their month on month balances ( In columns ) for last 24 month . This makes my data with 25 column ( 1 card nbr + 24 for balances ). I want to compute std dev of coumn 1-12 and 13-24 respectively . Also i want to recompute std dev for columns 1-12 and 13-24 by excluding MAX from each set . How can i do this ?
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Hi All, i want to create all possible combinations of length 8 that are possible from all 26 alphabates , 0-10 numeric and .,_,@ . The repetation is allowed. Please help.
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