hadley wickham wrote:
You might try using the reshape package instead:
last <- function(x) x[length(x)]
names(d) <- c("value", "person", "time")
cast(d, person ~ time, last)
The first and the last line I think is clear, although I will have to
experiment more to understand the call on cast () b
>> You might try using the reshape package instead:
>>
>> last <- function(x) x[length(x)]
>> names(d) <- c("value", "person", "time")
>> cast(d, person ~ time, last)
>
> The first and the last line I think is clear, although I will have to
> experiment more to understand the call on cast () better
hadley wickham wrote:
On Tue, Jun 17, 2008 at 9:28 AM, Tom Backer Johnsen <[EMAIL PROTECTED]> wrote:
In a research project we are using a web-based tools for collecting data
from questionnaire. The system generates files that are simple to read as a
data frame in the "long" format, which are si
On Tue, Jun 17, 2008 at 9:28 AM, Tom Backer Johnsen <[EMAIL PROTECTED]> wrote:
> In a research project we are using a web-based tools for collecting data
> from questionnaire. The system generates files that are simple to read as a
> data frame in the "long" format, which are simple to convert to
In a research project we are using a web-based tools for collecting data
from questionnaire. The system generates files that are simple to read
as a data frame in the "long" format, which are simple to convert to the
"wide" format.
Something that might happen are: (a) there are two (multiple
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