Package check result: NOTE

Check: CRAN incoming feasibility, Result: NOTE
  Maintainer: ‘Achim Zeileis <Achim.Zeileis@R-project.org>’
  
  Found the following (possibly) invalid URLs:
    URL: https://finance.yahoo.com/
      From: inst/doc/zoo.pdf
      Status: 429
      Message: Too Many Requests

Changes to worse in reverse depends:

Package: RTL
Check: examples
New result: ERROR
  Running examples in ‘RTL-Ex.R’ failed
  The error most likely occurred in:
  
  > base::assign(".ptime", proc.time(), pos = "CheckExEnv")
  > ### Name: tradeStats
  > ### Title: Risk-reward statistics for quant trading
  > ### Aliases: tradeStats
  > 
  > ### ** Examples
  > 
  > library(PerformanceAnalytics)
  Loading required package: xts
  Loading required package: zoo
  
  Attaching package: ‘zoo’
  
  The following objects are masked from ‘package:base’:
  
      as.Date, as.Date.numeric
  
  
  Attaching package: ‘PerformanceAnalytics’
  
  The following object is masked from ‘package:graphics’:
  
      legend
  
  > tradeStats(x = stocks$spy, Rf = 0)
  Error: Package "tidyquant" needed for this function to work. Please install it.
  Execution halted

Package: sweep
Check: re-building of vignette outputs
New result: ERROR
  Error(s) in re-building vignettes:
    ...
  --- re-building ‘SW00_Introduction_to_sweep.Rmd’ using rmarkdown
  
  Quitting from SW00_Introduction_to_sweep.Rmd:43-49 [unnamed-chunk-2]
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  <error/rlang_error>
  Error in `library()`:
  ! there is no package called 'tidyquant'
  ---
  Backtrace:
      ▆
   1. └─base::library(tidyquant)
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
  Error: processing vignette 'SW00_Introduction_to_sweep.Rmd' failed with diagnostics:
  there is no package called 'tidyquant'
  --- failed re-building ‘SW00_Introduction_to_sweep.Rmd’
  
  --- re-building ‘SW01_Forecasting_Time_Series_Groups.Rmd’ using rmarkdown
  
  Quitting from SW01_Forecasting_Time_Series_Groups.Rmd:42-52 [unnamed-chunk-2]
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  <error/rlang_error>
  Error in `library()`:
  ! there is no package called 'tidyquant'
  ---
  Backtrace:
      ▆
   1. └─base::library(tidyquant)
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
  Error: processing vignette 'SW01_Forecasting_Time_Series_Groups.Rmd' failed with diagnostics:
  there is no package called 'tidyquant'
  --- failed re-building ‘SW01_Forecasting_Time_Series_Groups.Rmd’
  
  --- re-building ‘SW02_Forecasting_Multiple_Models.Rmd’ using rmarkdown
  
  Quitting from SW02_Forecasting_Multiple_Models.Rmd:42-52 [unnamed-chunk-2]
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  <error/rlang_error>
  Error in `library()`:
  ! there is no package called 'tidyquant'
  ---
  Backtrace:
      ▆
   1. └─base::library(tidyquant)
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
  Error: processing vignette 'SW02_Forecasting_Multiple_Models.Rmd' failed with diagnostics:
  there is no package called 'tidyquant'
  --- failed re-building ‘SW02_Forecasting_Multiple_Models.Rmd’
  
  SUMMARY: processing the following files failed:
    ‘SW00_Introduction_to_sweep.Rmd’
    ‘SW01_Forecasting_Time_Series_Groups.Rmd’
    ‘SW02_Forecasting_Multiple_Models.Rmd’
  
  Error: Vignette re-building failed.
  Execution halted

Package: tidyquant
Check: whether package can be installed
New result: ERROR
  Installation failed.