Another possible issue could be some outdated packages... be sure to update all packages.
On February 15, 2019 7:05:44 AM PST, David L Carlson <dcarl...@tamu.edu> wrote: >I'm not getting any error on that line in Windows 10. I did not try >running anything past that line. > >Have you tried restarting R and clearing your environment? > >---------------------------------------- >David L Carlson >Department of Anthropology >Texas A&M University >College Station, TX 77843-4352 > >-----Original Message----- >From: R-help <r-help-boun...@r-project.org> On Behalf Of Bill Poling >Sent: Friday, February 15, 2019 7:37 AM >To: r-help (r-help@r-project.org) <r-help@r-project.org> >Subject: [R] Help with Cluster Tutorial Error > >sessionInfo() >#R version 3.5.2 (2018-12-20) >#Platform: x86_64-w64-mingw32/x64 (64-bit) >#Running under: Windows >= 8 x64 (build 9200) > >Hello I am working through this tutorial >https://www.r-bloggers.com/10-tips-for-choosing-the-optimal-number-of-clusters/ >And I run into an error almost immediately at the point below like >this: > > mammals <- raw_mammals %>% select(-name) # set rownames >#Error in select(., -name) : object 'p_links' not found > >I have googled the error " R object 'p_links' not found" >https://stats.stackexchange.com/questions/113907/error-object-descr-not-found >However, the links I have found seem to be specific to an object that >has been declared by the Op, and in my case I do not know where this >object is supposed to be coming from? > >I think this stems from the use of the dplyr Pkg? > >https://dplyr.tidyverse.org/reference/select.html > >Here is what I have so far: > >#Data Set ># I will be using a lesser known data set from the cluster package: >all.mammals.milk.1956, one which I haven't looked at before. ># ># This small dataset contains a list of 25 mammals and the constituents >of their milk (water, protein, fat, lactose, ash percentages) from John >Hartigan, Clustering Algorithms, Wiley, 1975. ># ># First let's load the required packages. Some of these are already in >my library, those that are not were installed > >library(tidyverse) >library(magrittr) >library(cluster) >install.packages("cluster.datasets") >install.packages("NbClust") >install.packages("clValid") >install.packages("ggfortify") >install.packages("clustree") >install.packages("ggiraphExtra") >library(cowplot) >library(cluster.datasets) >library(NbClust) >library(clValid) >library(ggfortify) >library(clustree) >library(ggiraphExtra) >library(dendextend) >library(factoextra) >library(FactoMineR) >library(corrplot) >library(GGally) >library(knitr) >library(kableExtra) > > >data("all.mammals.milk.1956") >raw_mammals <- all.mammals.milk.1956 >str(raw_mammals) #----------------------KNOW THY DATA > ># 'data.frame':25 obs. of 6 variables: ># $ name : chr "Horse" "Orangutan" "Monkey" "Donkey" ... ># $ water : num 90.1 88.5 88.4 90.3 90.4 87.7 86.9 82.1 81.9 81.6 ... ># $ protein: num 2.6 1.4 2.2 1.7 0.6 3.5 4.8 5.9 7.4 10.1 ... ># $ fat : num 1 3.5 2.7 1.4 4.5 3.4 1.7 7.9 7.2 6.3 ... ># $ lactose: num 6.9 6 6.4 6.2 4.4 4.8 5.7 4.7 2.7 4.4 ... ># $ ash : num 0.35 0.24 0.18 0.4 0.1 0.71 0.9 0.78 0.85 0.75 ... > >#raw_mammals <- fread("Animal Milk Constituent >Percentages.csv",header=TRUE, stringsAsFactors=TRUE) > ># subset dataset >mammals <- raw_mammals %>% select(-name) # set rownames >#Error in select(., -name) : object 'p_links' not found <--The Error > >I hope this is enough information to help answer my question. > >Thank you > >WHP > > > > >Confidentiality Notice This message is sent from Zelis. >...{{dropped:9}} > >______________________________________________ >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. ______________________________________________ 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.