Thanks for your valuable clarifications. I tried all the steps again but the problem remains. In fact, "fviz_nbclust" is a function inside the package "factoextra". I run each step very carefully but the problem remains...It doesn't make sense because I have installed factoextra.
This warning appears: could not find function "fviz_nbclust" On Wed, Jan 16, 2019 at 1:22 PM Jeff Newmiller <jdnew...@dcn.davis.ca.us> wrote: > > Concept 1: You don't install functions... you install packages that have > functions in them. There is a function fviz_nbclust in factoextra. > > Concept 2: Once a package is installed, you do NOT have to install it again, > e.g. every time you want to do that analysis. Making the installation part of > your script is not advised. > > Concept 3: Typically we do use the library function with a package name at > the beginning of every session where we want to use functions from that > package. However, that is optional... you could also just invoke the function > directly using factoextra::fviz_nbclust(...blahblah...). Having the library > function shortens this and if the package is not installed it provides a > clear error message that can be a reminder to the user to install the package. > > Execute your code line by line and solve the first error you encounter by > examining the error message and reviewing what that line of code is designed > to do. > > On January 16, 2019 11:00:07 AM PST, N Meriam <meriam....@gmail.com> wrote: > >Hello, > >I'm struggling to install a function called "fviz_nbclus". > > > >My code is the following: > >pkgs <- c("factoextra", "NbClust") > >install.packages(pkgs) > >library(factoextra) > >library(NbClust) > ># Standardize the data > >load("df4.rda") > >library(FunCluster) > > > >install.packages("fviz_nbclust") > >#fviz_nbclust(df4, FUNcluster, method = c("silhouette", "wss", > >"gap_stat")) > > > >Installing package into ‘C:/Users/DELL/Documents/R/win-library/3.5’ > >(as ‘lib’ is unspecified) > >Warning in install.packages : > > package ‘fviz_nbclust’ is not available (for R version 3.5.2) > > > >Best, > >Meriam > > > >______________________________________________ > >R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > >https://stat.ethz.ch/mailman/listinfo/r-help > >PLEASE do read the posting guide > >http://www.R-project.org/posting-guide.html > >and provide commented, minimal, self-contained, reproducible code. > > -- > Sent from my phone. Please excuse my brevity. -- Meriam Nefzaoui MSc. in Plant Breeding and Genetics Universidade Federal Rural de Pernambuco (UFRPE) - Recife, Brazil ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.