[R] barplot and missing values?

[Dan Bolser]

On Sat, 4 Jun 2005, Uwe Ligges wrote:

>Dan Bolser wrote:
>> I want to include missing values in my barplot to get the correct x-axis,
>> for example,
>> 
>> x <- c(1,2,3,4, 9)
>> y <- c(2,4,6,8,18)
>> 
>> barplot(y)
>> 
>> The above looks wrong because the last height in y should be a long way
>> over.
>> 
>> So I want to do something like...
>> 
>> x <- c(1,2,3,4,5,6,7,8, 9)
>> y <- c(2,4,6,8,0,0,0,0,18)
>> 
>> barplot(y)
>> 
>> However... 
>> 
>> I am actually using barplot2 to use the "log='y'" function, so I can't use
>> zero values on a log scale...
>> 
>> So I need...
>> 
>> x <- c(1,2,3,4, 5, 6, 7, 8, 9)
>> y <- c(2,4,6,8,NA,NA,NA,NA,18)
>> 
>> barplot(y)
>> 
>> But that don't work.
>
>
>Actually, it works, at least for me (R-2.1.0, WinNT, but you have not 
>told us your details!).
>
>BTW: In the meantime package gregmisc has been superseded by the 
>gregmisc bundle, and later on by a number of packages (such as gtools, 
>gdata, ...).
>
>Your setup seems to be rather outdated.

yeah :(

R 2.0.0 (2004-10-04).

I will upgrade to 2.1.0 (latest stable?)

Instead of gregmisc what should I use to get barplot2?

Will barplot() ever become barplot2()

I will try upgrading....

Dan.


>
>Uwe Ligges
>
>
>
>> Am I missing something?
>> 
>> 
>> To avoid confusion here is my data...
>> 
>> 
>>>dat.y.plot
>> 
>>    [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [,11] [,12]
>> Ho  653   80  132   10   34    3   10    0    7     2     7     7
>> He  139   56   69    6   24    3   11    3    2     1     2     6
>> attr(,"names")
>>  [1]
>> "2"   "3"   "4"   "5"   "6"   "7"   "8"   "9"   "10"  "11"  "12"  ">12"
>> [13] NA    NA    NA    NA    NA    NA    NA    NA    NA    NA    NA    NA   
>> 
>> 
>> 
>> And here is what I call...
>> 
>> barplot(dat.y.plot,
>>         ylim=c(0,max(dat.y.plot + 50)), # I don't like the default
>>         beside=T,
>>         names.arg=c('2','3','4','5','6','7','8','9','10','11','12','>12'),
>>         cex.axis=1.5,
>>         cex.names=1.5,
>>         legend=T
>>         )
>> 
>> Which is fine (except I don't know why I still need names.arg).
>> 
>> Then I try...
>> 
>> 
>> library(gregmisc)
>> 
>> barplot2(dat.y.plot+1, log='y',
>>         beside=T,
>>         names.arg=c('2','3','4','5','6','7','8','9','10','11','12','>12'),
>>         cex.axis=1.5,
>>         cex.names=1.5,
>>         legend=T
>>         )
>> 
>> Which fails because of the zero. If I try ...
>> 
>> dat.y.plot[dat.y.plot==0] <- NA
>> 
>> It fails because of the NA.
>> 
>> Any suggestions?
>> 
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>