try:
myindex <- "01-Dec-2008"
weblog_by_date[[myindex]]$host
On Sat, Dec 20, 2008 at 3:35 PM, Oliver Bandel
<oliver at first.in-berlin.de> wrote:> Hello,
>
> after splitting a data-frame I want to access the results.
>
> Maybe the problem is, that the factor/index is a string...
>
> ...or do I miss knowing details of the index-uasge?
>
> Please look and help:
>
> ======================================>> weblog <-
read_weblog("web.log")
>>
>>
>> str(weblog)
> 'data.frame': 2247 obs. of 18 variables:
> $ host : Factor w/ 77 levels "124.0.210.117",..: 23 44 44
23 46 46
> 26 26 42 32 ...
> $ lname : Factor w/ 1 level "-": 1 1 1 1 1 1 1 1 1 1 ...
> $ user : Factor w/ 1 level "-": 1 1 1 1 1 1 1 1 1 1 ...
> $ date_time : chr "29/Nov/2008:00:09:52"
"29/Nov/2008:01:08:37"
> "29/Nov/2008:01:08:37" "29/Nov/2008:03:39:45" ...
> $ timezone : chr "+0100" "+0100" "+0100"
"+0100" ...
> $ status : int 404 200 304 403 301 200 200 404 304 200 ...
> $ size : num 307 32 0 314 333 ...
> $ referrer : Factor w/ 19 levels
"-","http://messenger.su/",..: 1 1 1
> 1 1 1 11 1 1 1 ...
> $ client : Factor w/ 45 levels "digsby-asynchttp/0.1",..: 30
4 4 30
> 28 28 20 20 27 41 ...
> $ req_file : chr "/software/tools/newfileaction/pftdbns/"
> "/robots.txt"
"/kurama_2007/tn_kurama_fire_festival_hpim4496.jpg"
> "/software/libraries/mboxlib/mbox.mli.html" ...
> $ req_method: chr "GET" "GET" "GET"
"GET" ...
> $ req_prot : chr "HTTP/1.0" "HTTP/1.1"
"HTTP/1.1" "HTTP/1.0" ...
> $ date : chr "29-Nov-2008" "29-Nov-2008"
"29-Nov-2008"
> "29-Nov-2008" ...
> $ hour : chr "00" "01" "01"
"03" ...
> $ day : chr "29" "29" "29"
"29" ...
> $ month : chr "Nov" "Nov" "Nov"
"Nov" ...
> $ year : chr "2008" "2008" "2008"
"2008" ...
> $ t_sec : atomic 1.23e+09 1.23e+09 1.23e+09 1.23e+09 1.23e+09 ...
> ..- attr(*, "tzone")= chr ""
>>
>>
>> weblog_by_date <- split(weblog, weblog$date)
>>
>> weblog_by_date$"01-Dec-2008"$host
> [1] 74.6.22.164 74.6.22.164 74.6.22.164 67.195.37.169
> [5] 67.195.37.169 74.6.22.164 174.36.196.98 174.36.196.98
> [9] 67.195.37.169 72.30.65.23 72.30.65.23 65.55.210.177
> [13] 65.55.210.177 74.6.22.160 74.6.22.160 74.6.22.121
> [17] 74.6.22.121 208.80.194.30 66.249.71.141 66.249.71.141
> [21] 66.249.71.141 216.34.181.101 216.34.181.101 65.55.210.182
> [25] 65.55.210.182 38.99.44.101 217.212.224.183 217.212.224.186
> [29] 89.111.176.102 89.111.176.102 66.249.71.141 65.55.210.180
> [33] 65.55.210.180 65.55.210.179 65.55.210.179
> 77 Levels: 124.0.210.117 145.253.3.244 160.91.44.155 ... 94.23.3.220
>>
>> myindex <- "01-Dec-2008"
>>
>> weblog_by_date$myindex$host
> NULL
>> weblog_by_date[myindex]$host
> NULL
>>
>
> ======================================>
> How can I grab into the data-structures, using the indexing by
> date-string and by the names like "host" and so on?
>
> So: is it posisble to use split in a way, that the original index-names
> ("host", "status" and so on) can be used?
>
>
> Ciao,
> Oliver
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
--
Jim Holtman
Cincinnati, OH
+1 513 646 9390
What is the problem that you are trying to solve?