Re: [R] Rcpp package problems

Rui Barradas Wed, 29 Sep 2021 12:09:09 -0700

Hello,

This problem is pratically a StackOverflow FAQ [1], with link to theRcpp-devel mailing list [2].

[1]https://stackoverflow.com/questions/68416435/rcpp-package-doesnt-include-rcpp-precious-remove[2]https://www.mail-archive.com/rcpp-devel@lists.r-forge.r-project.org/msg10226.html


Hope this helps,

Rui Barradas

Às 17:29 de 29/09/21, Nick Wray escreveu:

Hi I am having having problems with the package Rcpp.  Although I have
installed and loaded it, in two different situations it seems to send R
into an endless loop



The first one was trying to run code from a site showing how to use the
stl() function

*http://www.gardner.fyi/blog/STL-Part-I/
<http://www.gardner.fyi/blog/STL-Part-I/>*



The code and data is at

https://github.com/dillongardner/NYTraffic



The first few lines are as follows:



library(feather)
library(dplyr)
library(tidyr)
library(ggplot2)
library(stlplus)
library(dygraphs)
library(lubridate)
library(Rcpp)
##########################################################################
# Read and format
##########################################################################

myData <- read_feather("NYTrafficData.feather")

At this point I get the error message: “Error in openFeather(path) :

   function 'Rcpp_precious_remove' not provided by package 'Rcpp'”



BUT – if now I rerun the line

library(Rcpp)

I don’t get the error message but R goes into an endless loop with the red
button thing



Similarly, if I try to run the example code from the R documentation site



https://www.rdocumentation.org/packages/stlplus/versions/0.5.1/topics/stlplus



library(stlplus)
library(Rcpp)
######
co2_stl <- stlplus(co2, t = as.vector(time(co2)), n.p = 12,
                    l.window = 13, t.window = 19, s.window = 35, s.degree = 1,
                    sub.labels = substr(month.name, 1, 3))

Again I get the error message “Error in c_loess(x[y_idx], y[y_idx],
degree, span, weights[y_idx], m,  :

   function 'Rcpp_precious_remove' not provided by package 'Rcpp'“



BUT again if I rerun the line

library(Rcpp)

I don’t get the error message but R goes into an endless loop with the red
button thing



Can anyone help me to sort this?  Thanks Nick Wray

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and provide commented, minimal, self-contained, reproducible code.

Re: [R] Rcpp package problems

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