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How to install package effects

3 messages · CHIRIBOGA Xavier, PIKAL Petr, Rainer M Krug

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CHIRIBOGA Xavier
# 
Dear all,

How to install function effects in R 3.1.2.?                         I got this:

 plot(effect("soil:volatile", model1))
Error in plot(effect("soil:volatile", model1)) :
  could not find function "effect"
Error in find.package(if (is.null(package)) loadedNamespaces() else package,  :
  there is no package called ''

Thank you very much,

Xavier
PIKAL Petr
# 
Hi

Hm. Strange that you did not use any non-base package yet.

install.pakages("effects")
library(effects)

shall do the trick.

And if you are in installing, you could renew your R version which is rather old.

Cheers
Petr
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Rainer M Krug
# 
PIKAL Petr <petr.pikal at precheza.cz> writes:
True

Small typo:
install.packages("effects")
         ^^^^^
[snip: disclaimer (52 lines)]