[R] Help with Cluster Tutorial Error

Bill Poling B|||@Po||ng @end|ng |rom ze||@@com
Fri Feb 15 18:57:50 CET 2019

Hi Jeff and David.

Yes, updating all my Pkgs has done the trick.

I will remember to try that first next time.

As always I appreciate your help.

Thank you.


From: Jeff Newmiller <jdnewmil using dcn.davis.ca.us>
Sent: Friday, February 15, 2019 10:48 AM
To: r-help using r-project.org; David L Carlson <dcarlson using tamu.edu>; Bill Poling <Bill.Poling using zelis.com>; r-help (r-help using r-project.org) <r-help using r-project.org>
Subject: Re: [R] Help with Cluster Tutorial Error

Another possible issue could be some outdated packages...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 <mailto:dcarlson using 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 <mailto:r-help-bounces using r-project.org> On Behalf Of Bill Poling
>Sent: Friday, February 15, 2019 7:37 AM
>To: r-help (mailto:r-help using r-project.org) <mailto:r-help using r-project.org>
>Subject: [R] Help with Cluster Tutorial Error
>#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
>And I run into an error almost immediately at the point below like
> 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"
>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?
>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
>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
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>and provide commented, minimal, self-contained, reproducible code.

Sent from my phone. Please excuse my brevity.

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