could not find function "%n%" [closed] - r

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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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Cannot install.packages(qwraps2) in R. What is happening? [closed]

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Closed 2 years ago.
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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

How to debug unexpected symbol in R [closed]

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Closed 2 years ago.
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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.

Error to find inherited function method when summarising PCA [closed]

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I don't understand why I am having the Error(function(classes, fdef, mtable): unable to find an inherited method for function 'Summary' for signature '"prcomp"'.
I have checked through my code and the packages and everything looks very much okay.
One needs to use lower case summary. The code has capital S in Summary

Error: unexpected SPECIAL in "as.Date(20110505, %Y%" [closed]

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Closed 4 years ago.
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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"

has the %between% command in R been removed? [closed]

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Closed 7 years ago.
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I am returning to some old code where I had used the following syntax:
y[df$myvar %between% c(1,100)]
but get the error
could not find function "%between%"
This code used to work, and I have updated R in the mean time. any thoughts?
As Pascal pointed out, you should load the package data.table first:
library(data.table)
Then you'll be able to use it.

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