Package: timbeR 2.0.1

timbeR: Calculate Wood Volumes from Taper Functions

Functions for estimation of wood volumes, number of logs, diameters along the stem and heights at which certain diameters occur, based on taper functions and other parameters. References: McTague, J. P., & Weiskittel, A. (2021). <doi:10.1139/cjfr-2020-0326>.

Authors:Sergio Costa [aut, cre, cph]

timbeR_2.0.1.tar.gz
timbeR_2.0.1.zip(r-4.7-any)timbeR_2.0.1.zip(r-4.6-any)timbeR_2.0.1.zip(r-4.5-any)
timbeR_2.0.1.tgz(r-4.6-any)timbeR_2.0.1.tgz(r-4.5-any)
timbeR_2.0.1.tar.gz(r-4.7-any)timbeR_2.0.1.tar.gz(r-4.6-any)
timbeR_2.0.1.tgz(r-4.6-emscripten)
manual.pdf |manual.html✨
DESCRIPTION |NEWS
card.svg |card.png
timbeR/json (API)

# Install 'timbeR' in R:

install.packages('timbeR', repos = c('https://sergiocostafh.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/sergiocostafh/timber/issues

Datasets:

tree_scaling - Tree scaling example data

On CRAN:

5.11 score 5 stars 52 scripts 272 downloads 25 exports 54 dependencies

Last updated from:4308bd5dd1. Checks:9 OK. Indexed: yes.

Target	Result	Time
linux-devel-x86_64	OK	138
source / vignettes	OK	171
linux-release-x86_64	OK	144
macos-release-arm64	OK	73
macos-oldrel-arm64	OK	76
windows-devel	OK	78
windows-release	OK	79
windows-oldrel	OK	85
wasm-release	OK	118

Exports:%>%bi_di bi_hi bi_logs bi_logs_plot bi_vol kozak.04_di kozak.04_hi kozak.04_logs kozak.04_logs_plot kozak.04_vol kozak.94_di kozak.94_hi kozak.94_logs kozak.94_logs_plot kozak.94_vol poly5_di poly5_hi poly5_logs poly5_logs_plot poly5_vol select_and_remove taper_bi taper_kozak.04 taper_kozak.94

Dependencies:base64enc bslib cachem cli commonmark cowplot cpp11 digest dplyr farver fastmap fontawesome fs generics ggplot2 glue gtable htmltools httpuv isoband jquerylib jsonlite labeling later lifecycle magrittr memoise mime miniUI otel pillar pkgconfig promises purrr R6 rappdirs RColorBrewer Rcpp rlang S7 sass scales shiny sourcetools stringi stringr tibble tidyr tidyselect utf8 vctrs viridisLite withr xtable

Introduction to timbeR

Fitting taper models | Using taper models | Using timbeR functions at forest inventory scale | References

Rendered fromIntro_to_timbeR.Rmdusingknitr::rmarkdown

Last update: 2024-12-20
Started: 2021-12-16

Citation

Development and contributors

Readme and manuals

Help Manual

Help page	Topics
Estimate the diameter at a given height based on a fitted Bi (2000) taper equation.	bi_di
Estimate the height at which a given diameter occurs in a tree, based on a fitted Bi (2000) taper equation.	bi_hi
Simulate log cutting using a Bi (2000) variable-form taper equation that describes the taper of the tree.	bi_logs
Visualize the simulation of log cutting along the stem using a Bi (2000) variable-form taper equation.	bi_logs_plot
Estimate the total or partial volume of the tree, based on a fitted Bi (2000) taper function.	bi_vol
Estimate the diameter at a given height based on a fitted Kozak (2004) taper equation.	kozak.04_di
Estimate the height at which a given diameter occurs in a tree, based on a fitted Kozak (2004) taper equation.	kozak.04_hi
Simulate log cutting using a Kozak (2004) variable-form taper equation that describes the taper of the tree.	kozak.04_logs
Visualize the simulation of log cutting along the stem using a Kozak (2004) variable-form taper equation.	kozak.04_logs_plot
Estimate the total or partial volume of the tree, based on a fitted Kozak (2004) taper function.	kozak.04_vol
Estimate the diameter at a given height based on a fitted Kozak (1994) taper equation.	kozak.94_di
Estimate the height at which a given diameter occurs in a tree, based on a fitted Kozak (1994) taper equation.	kozak.94_hi
Simulate log cutting using a Kozak (1994) variable-form taper equation that describes the taper of the tree.	kozak.94_logs
Visualize the simulation of log cutting along the stem using a Kozak (1994) variable-form taper equation.	kozak.94_logs_plot
Estimate the total or partial volume of the tree, based on a fitted Kozak (1994) taper function.	kozak.94_vol
Estimate the diameter at a given height based on a 5th degree polynomial function.	poly5_di
Estimate the height at which a given diameter occurs in a tree, based on a 5th degree polynomial function.	poly5_hi
Simulate log cutting using a 5th degree polynomial that describes the taper of the tree.	poly5_logs
Visualize the simulation of log cutting along the stem using a 5th degree polynomial that describes the tree taper.	poly5_logs_plot
Estimate the total or partial volume of the tree, based on a 5th degree polynomial function that describes the taper of the tree.	poly5_vol
Remove unwanted data by selecting it	select_and_remove
Bi (2000) Taper Function.	taper_bi
Kozak (2004) Taper Function.	taper_kozak.04
Kozak (1994) Taper Function.	taper_kozak.94
Tree scaling example data	tree_scaling