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install.packages(qwraps2)
Error in install.packages : object 'qwraps2' not found
This package wont install, I get the above error. Can anyone help?
Try install.packages("qwraps2") instead.
it will not work without the quotes around package name
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function "%n%" not working even though I've loaded package dplyr.
mutate(category = ifelse(Year.Last.Used %n% c("2015", "2016"),"baseline","treatment"))
Caused by error in Year.Last.Used %n% c("2015", "2016"):
! could not find function "%n%"
How to fix the error?
I think that you probably want to use %in%..
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I know that is really simple. I'm trying to calculate:
-2ˆ2 -(2.6)ˆ2 * (1/2)
Error: unexpected input in "-2�"
When I replace the ˆ with ^ it works on my system.
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Can anyone point me in the right direction for getting around this error? I'm new to creating packages and am currently following Hadley Wickham's guide.
http://r-pkgs.had.co.nz/description.html
To copy the comments of #zx8754, use_package is now part of the usethis package. And per the comment from #MichaelChirico, Hadley's book is updated on github, but has not yet been re-published.
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I am beginner studying Bioconductor.
I am try to follow lecture of Bioconductor.
source("https://bioconductor.org/biocLite.R")
biocLite("Biostrings")
library(Biostrings)
data(phix174Phage)
Warning message:
In data(phix174Phage) not foundError: object 'phix174Phage' not found.
What did I wrong?
R is case-sensitive. Try:
data(phiX174Phage)
with an upper-case X, as specified in the introductory tutorial.
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I am not sure why I cannot do write the following code.
as.Date(20110505, %Y%m%d)
I receive the error given in the title. Can anyone help me out?
It should be string with the format also in quotes
as.Date(as.character(20110505), "%Y%m%d")
#[1] "2011-05-05"