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Sapwood data set for northern France , published by Pilcher in 1987.

Usage

Pilcher_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.

Details

sample size = 219 observations

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)