van Daalen (unpublished) sapwood data set.

Sapwood data set for historical timbers found in the Netherlands that were imported from Norway. Unpublished data by S. van Daalen (version 19 Dec 2022, Van Daalen Dendrochronologie - <www.dendro.nl>).

Usage

vanDaalen_Norway

Format

A tibble of 2 variables:

n_sapwood

number of sapwood rings

count

number of times n_sapwood was observed

Source

S. van Daalen, unpublished dataset (version: 19 Dec 2022).

Details

sample size = 104 observations

Examples

sw_data_info("vanDaalen_Norway")
#> $data
#> [1] "vanDaalen_Norway"
#> 
#> $citation
#> [1] "Sjoerd van Daalen (Van Daalen Dendrochronologie, the Netherlands), unpublished data (version 19-12-2022)"
#> 
#> $area
#> [1] "Historical timbers found in the Netherlands that were imported from Norway."
#> 
#> $n_observations
#> [1] 104
#> 
#> $summary_raw_data
#>    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
#>    8.00   16.00   19.00   19.64   23.00   40.00 
#> 

sw_model("vanDaalen_Norway", plot = TRUE)