[R] how to do this sum?
GuangXing
guangxing at ict.ac.cn
Mon Jun 19 13:05:51 CEST 2006
I am sorry for my ignorance.
table_x is defined as follow:
>table_x<-read.table("stat.txt")
in the stat.txt,there are 5 cols,there are so many big intergers in the every cols.
Now, I want to to that:
>sum(table_x[,3])
But it does not work.
How can I?
Pls help me!
------------------
GuangXing
2006-06-19
-------------------------------------------------------------
·¢¼þÈË£ºDr L. Y Hin
·¢ËÍÈÕÆÚ£º2006-06-19 17:16:04
ÊÕ¼þÈË£ºGuangXing
³ËÍ£º
Ö÷Ìâ£ºRe: [R] how to do this sum?
Of course.
table_x means assign x to the function called table.
if you call the table by the name table.x, it will
probably do the job.
----- Original Message -----
From: "GuangXing" <guangxing at ict.ac.cn>
To: <r-help at stat.math.ethz.ch>
Sent: Monday, June 19, 2006 6:17 PM
Subject: [R] how to do this sum?
> Hi, Everybody!
> I have a big table which named table_x, and all the elements in the table
> is very large!
> Now I want to do the summay on the talbe_x[,3].
> Unfornately, I can't get the right result!
> And the R give the warning messages as follow:
>> sum(table_x[,3])
>>[1] NA
>>Warning message:
>>interger overflow in sum(.);please use sum(as.numeric(.))
> (the original upper message is Chinese,and I have translated those to
> English.)
>
> Any one tell me how to use the as.numeric(.)?
> And I want to know does R support the 64bits interger?How to do?
> Pls forgive my ignorance.
>
> Thank you in advance!
> --------------
> GuangXing
> 2006-06-19
>
>
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