[R] Very basic statistics in R

[Rui Barradas]

Hello,

Or, to make it complete, use the na.rm argument.

sd(vec1, na.rm = TRUE)/sqrt(sum(!is.na(vec1)))

Rui Barradas

Em 08-05-2013 20:55, peter dalgaard escreveu:
>
> On May 8, 2013, at 20:38 , Robert Baer wrote:
>
>> On 5/6/2013 7:02 AM, arun wrote:
>>    stErr<- sd(vec1)/sqrt(length(vec1))
>>
>> Or possibly,
>>
>> stErr<- sd(vec1)/sqrt(!is.na(vec1))
>>
>
> You probably intended sqrt(sum(!is.na(...))).
>