Sapwood data set for northern France , published by Pilcher in 1987.
Format
A tibble of 2 variables:
- n_sapwood
number of sapwood rings
- count
number of times n_sapwood was observed
Source
Pilcher J.R. 1987. A 700 year dating chronology for northern France. Applications of tree-ring studies. Current research in dendrochronology and related subjects. BAR International Series 333, 127–139.
Examples
sw_data_info("Pilcher_1987")
#> $data
#> [1] "Pilcher_1987"
#>
#> $citation
#> [1] "Pilcher J.R. 1987. A 700 year dating chronology for northern France. Applications of tree-ring studies. Current research in dendrochronology and related subjects. BAR International Series 333, 127–139."
#>
#> $area
#> [1] "Northern France"
#>
#> $n_observations
#> [1] 116
#>
#> $summary_raw_data
#> Min. 1st Qu. Median Mean 3rd Qu. Max.
#> 12.00 22.00 26.00 26.72 31.00 49.00
#>
sw_model("Pilcher_1987", plot = TRUE)