>>>>> David Winsemius <dwinsem...@comcast.net>
>>>>> on Thu, 20 Oct 2011 01:51:28 -0400 writes:
> On Oct 19, 2011, at 11:29 PM, Alyse wrote:
>> Hello,
>>
>> I have a column in a data frame that need to be 10 digits long. As
>> such:
>>
>> Decimal.Year
>> 1 1994.25997
>> 2 1994.26020
>>
>> However, R keeps rounding the digits. As such:
>>
>> Decimal.Year
>> 1 1994.260
>> 2 1994.260
>>
>> *Is there any way to stop this from happening?*
>>
>> Here is how I created the data frame:
>>
>> x <- read.table('bats_1994_CTD.txt')
>> colnames(x) <-
>> c
>> ('Cruise
>> ','Dec.Year','Lat.N','Long.W','Press','Depth','Temp','Sal','Oxy')
>> date <- subset(x,select=c(Dec.Year), (Depth<201) & (Depth>199))
>> datelist <- list(date$Dec.Year)
>> temp <- subset(x,select=c(Temp), (Depth<201) & (Depth>199))
>> tempmean <- aggregate(temp,by=datelist,FUN=mean)
>> tempframe <- data.frame(tempmean) #the first column of this
>> dataframe is the
>> one that I don't want R to round
> R is not rounding. It is displaying with less than full precision. You
> can control that with format or sprintf or formatC.
Well, or more simply in such situations by
options(digits = 10) # if it's 10 (significant) digits you want
# uses 10 (sig..) digits *FROM NOW ON*
or, if it's just for this one "printing",
instead of saying
x
which is *equivalent* to print(x), use
print(x, digits = 10)
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