Running examples in ‘pmlbr-Ex.R’ failed
The error most likely occurred in:

> ### Name: fetch_data
> ### Title: fetch_data function
> ### Aliases: fetch_data
> 
> ### ** Examples
> 
> # Features and labels in single data frame
> penguins <- fetch_data("penguins")
trying URL 'https://github.com/EpistasisLab/pmlb/raw/master/datasets/penguins/penguins.tsv.gz'
Warning in utils::download.file(url, destfile) :
  URL 'https://media.githubusercontent.com/media/EpistasisLab/pmlb/master/datasets/penguins/penguins.tsv.gz': status was 'SSL peer certificate or SSH remote key was not OK'
Attempt 1 failed: cannot open URL 'https://github.com/EpistasisLab/pmlb/raw/master/datasets/penguins/penguins.tsv.gz'
trying URL 'https://github.com/EpistasisLab/pmlb/raw/master/datasets/penguins/penguins.tsv.gz'
Warning in utils::download.file(url, destfile) :
  URL 'https://media.githubusercontent.com/media/EpistasisLab/pmlb/master/datasets/penguins/penguins.tsv.gz': status was 'SSL peer certificate or SSH remote key was not OK'
Attempt 2 failed: cannot open URL 'https://github.com/EpistasisLab/pmlb/raw/master/datasets/penguins/penguins.tsv.gz'
trying URL 'https://github.com/EpistasisLab/pmlb/raw/master/datasets/penguins/penguins.tsv.gz'
Warning in utils::download.file(url, destfile) :
  URL 'https://media.githubusercontent.com/media/EpistasisLab/pmlb/master/datasets/penguins/penguins.tsv.gz': status was 'SSL peer certificate or SSH remote key was not OK'
Attempt 3 failed: cannot open URL 'https://github.com/EpistasisLab/pmlb/raw/master/datasets/penguins/penguins.tsv.gz'
Warning in graceful_download(dataset_url, tmp) :
  Download failed after 3 attempts.
Continuing gracefully without the dataset.
Error in fetch_data("penguins") : object 'dataset' not found
Calls: fetch_data -> <Anonymous>
Execution halted
Running examples in ‘pmlbr-Ex.R’ failed
The error most likely occurred in:

> ### Name: fetch_data
> ### Title: fetch_data function
> ### Aliases: fetch_data
> 
> ### ** Examples
> 
> # Features and labels in single data frame
> penguins <- fetch_data("penguins")
trying URL 'https://github.com/EpistasisLab/pmlb/raw/master/datasets/penguins/penguins.tsv.gz'
Warning in utils::download.file(url, destfile) :
  URL 'https://media.githubusercontent.com/media/EpistasisLab/pmlb/master/datasets/penguins/penguins.tsv.gz': status was 'SSL peer certificate or SSH remote key was not OK'
Attempt 1 failed: cannot open URL 'https://github.com/EpistasisLab/pmlb/raw/master/datasets/penguins/penguins.tsv.gz'
trying URL 'https://github.com/EpistasisLab/pmlb/raw/master/datasets/penguins/penguins.tsv.gz'
Warning in utils::download.file(url, destfile) :
  URL 'https://media.githubusercontent.com/media/EpistasisLab/pmlb/master/datasets/penguins/penguins.tsv.gz': status was 'SSL peer certificate or SSH remote key was not OK'
Attempt 2 failed: cannot open URL 'https://github.com/EpistasisLab/pmlb/raw/master/datasets/penguins/penguins.tsv.gz'
trying URL 'https://github.com/EpistasisLab/pmlb/raw/master/datasets/penguins/penguins.tsv.gz'
Warning in utils::download.file(url, destfile) :
  URL 'https://media.githubusercontent.com/media/EpistasisLab/pmlb/master/datasets/penguins/penguins.tsv.gz': status was 'SSL peer certificate or SSH remote key was not OK'
Attempt 3 failed: cannot open URL 'https://github.com/EpistasisLab/pmlb/raw/master/datasets/penguins/penguins.tsv.gz'
Warning in graceful_download(dataset_url, tmp) :
  Download failed after 3 attempts.
Continuing gracefully without the dataset.
Error in fetch_data("penguins") : object 'dataset' not found
Calls: fetch_data -> <Anonymous>
Execution halted