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]

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NEWS

# 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:

On CRAN:

Conda:

5.06 score 5 stars 46 scripts 267 downloads 25 exports 54 dependencies

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

TargetResultTimeFilesSyslog
linux-devel-x86_64OK135
source / vignettesOK215
linux-release-x86_64OK126
macos-release-arm64OK95
macos-oldrel-arm64OK78
windows-develOK99
windows-releaseOK121
windows-oldrelOK105
wasm-releaseOK122

Exports:%>%bi_dibi_hibi_logsbi_logs_plotbi_volkozak.04_dikozak.04_hikozak.04_logskozak.04_logs_plotkozak.04_volkozak.94_dikozak.94_hikozak.94_logskozak.94_logs_plotkozak.94_volpoly5_dipoly5_hipoly5_logspoly5_logs_plotpoly5_volselect_and_removetaper_bitaper_kozak.04taper_kozak.94

Dependencies:base64encbslibcachemclicommonmarkcowplotcpp11digestdplyrfarverfastmapfontawesomefsgenericsggplot2gluegtablehtmltoolshttpuvisobandjquerylibjsonlitelabelinglaterlifecyclemagrittrmemoisemimeminiUIotelpillarpkgconfigpromisespurrrR6rappdirsRColorBrewerRcpprlangS7sassscalesshinysourcetoolsstringistringrtibbletidyrtidyselectutf8vctrsviridisLitewithrxtable

Introduction to timbeR

Rendered fromIntro_to_timbeR.Rmdusingknitr::rmarkdownon Apr 09 2026.

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

Readme and manuals

Help Manual

Help pageTopics
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 itselect_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 datatree_scaling