What does str(yourdata) return?
How about including
dput(head(yourdata, 20)) in your email to create a reproducible example?
Sarah
On Fri, Aug 16, 2013 at 9:08 AM, <mohan.radhakrish...@polarisft.com> wrote:
> My code is not complete. But the headers I see are
>
> USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
> 68 4517 0.0 0.0 12348 864 ? S Aug08 0:00
> hald-addon-keyboard: listening on /dev/input/event1
> 68 4521 0.0 0.0 12348 860 ? S Aug08 0:00
> hald-addon-keyboard: listening on /dev/input/event0
> root 4529 0.0 0.0 10256 704 ? S Aug08 1:57
> hald-addon-storage: polling /dev/sr0
>
> The last column value doesn't follow any rule.
>
> Thanks,
> Mohan
>
>
>
>
>
> Re: [R] Output from unix PS
>
>
> Sarah Goslee
> to:
> mohan.radhakrishnan
> 16-08-2013 06:01 PM
>
>
> You don't tell us your OS details or provide an actual reproducible
> example, but the error suggests that COMMAND is not one of the column
> names in your data frame.
>
> Have you checked that? When I run ps on my Fedora system, the column
> name is CMD and not COMMAND.
>
> Sarah
>
> On Fri, Aug 16, 2013 at 7:30 AM, <mohan.radhakrish...@polarisft.com>
> wrote:
>> Hi,
>>
>> When I view this output from the unix command ''ps'' the columns seem to
>> properly aligned but it is not read properly into the data frame. The
>> aggregate function throws
>>
>> Error in aggregate.data.frame(data, by = list(COMMAND), FUN = sum) :
>> object 'COMMAND' not found
>>
>> Is there a recomendation to massage this ?
>>
>> data = read.table("D:\\p..txt",sep="\t")
>>
>> agg<-aggregate(data,by=list(COMMAND),FUN=sum)
>>
>> 68 4524 0.0 0.0 12348 872 ? S Aug09 0:00
>> hald-addon-acpi: listening on acpid socket /var/run/acpid.socket
>> 68 4528 0.0 0.0 12348 860 ? S Aug09 0:00
>> hald-addon-keyboard: listening on /dev/input/event1
>> 68 4532 0.0 0.0 12348 864 ? S Aug09 0:00
>> hald-addon-keyboard: listening on /dev/input/event0
>> root 4540 0.0 0.0 10256 704 ? S Aug09 1:02
>> hald-addon-storage: polling /dev/sr0
>> root 4576 0.0 0.0 8540 492 ? Ss Aug09
>> 0:00 /usr/bin/hidd --server
>> root 4619 0.0 0.0 122008 1540 ? Ssl Aug09 0:00
> automount
>> root 4636 0.0 0.0 26348 524 ? Ss Aug09 0:00 ./hpiod
>> root 4641 0.0 0.0 154876 6428 ? S Aug09
>> 0:00 /usr/bin/python ./hpssd.py
>> root 4654 0.0 0.0 63544 1212 ? Ss Aug09
>> 0:00 /usr/sbin/sshd
>> root 4663 0.0 0.0 134208 2744 ? Ss Aug09 0:00 cupsd
>> root 4677 0.0 0.0 21668 896 ? Ss Aug09 0:00 xinetd
>> -stayalive -pidfile /var/run/xinetd.pid
>> root 4695 0.0 0.0 66968 2324 ? Ss Aug09 0:00
> sendmail:
>> accepting connections
>> smmsp 4703 0.0 0.0 57716 1760 ? Ss Aug09 0:00
> sendmail:
>> Queue runner@01:00:00 for /var/spool/clientmqueue
>> root 4713 0.0 0.0 6480 372 ? Ss Aug09 0:00 gpm
>> -m /dev/input/mice -t exps2
>>
>> Thanks.
>>
>>
>>
> --
> Sarah Goslee
> http://www.functionaldiversity.org
>
>
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