{ "_id": "6a16a5e5acfb0bcc41d82426", "Package": "ForestElementsR", "Title": "Data Structures and Functions for Working with Forest Data", "Version": "2.2.0", "Date": "2025-10-28", "Authors@R": "c(\nperson(\"Peter\", \"Biber\", email = \"p.biber@tum.de\",\nrole = c(\"aut\", \"cre\", \"cph\"),\ncomment = c(ORCID = \"0000-0002-9700-8708\")),\nperson(\"Astor\", \"Toraño Caicoya\", email=\"astor.torano-caicoya@tum.de\",\nrole = c(\"aut\"), comment = c(ORCID = \"0000-0002-9658-8990\")),\nperson(\"Torben\", \"Hilmers\", email = \"torben.hilmers@tum.de\",\nrole = \"ctb\", comment = c(ORCID = \"0000-0002-4982-8867\"))\n)", "Description": "Provides generic data structures and algorithms for use\nwith forest mensuration data in a consistent framework. The\nfunctions and objects included are a collection of broadly\napplicable tools. More specialized applications should be\nimplemented in separate packages that build on this foundation.\nDocumentation about 'ForestElementsR' is provided by three\nvignettes included in this package. For an introduction to the\nfield of forest mensuration, refer to the textbooks by Kershaw\net al. 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"title": "Attribute Tree Heights to Layers After Ernst Assmann", "concept": [ "structure and diversity" ], "topics": [ "assmann_layers" ] }, { "page": "crown_diameter_silva", "title": "Estimate a tree's crown diameter", "topics": [ "crown_diameter_silva" ] }, { "page": "d_100", "title": "Dominant Diameter d100", "concept": [ "stand diameters" ], "topics": [ "d_100" ] }, { "page": "d_age_gnfi3", "title": "Estimate Stem Diameter Growth With the 3rd German National Forest Inventory Growth Model (2012)", "concept": [ "growth functions" ], "topics": [ "d_age_gnfi3" ] }, { "page": "d_dom_weise", "title": "Weise's Dominant Diameter", "concept": [ "stand diameters" ], "topics": [ "d_dom_weise" ] }, { "page": "d_q", "title": "Quadratic Mean Diameter", "concept": [ "stand diameters" ], "topics": [ "d_q" ] }, { "page": "example_data", "title": "Example Stands", "topics": [ "european_beech_1_fe_stand", "european_beech_1_raw", "example_data", "mm_forest_1_fe_stand_spatial", "mm_forest_1_raw", "norway_spruce_1_fe_stand", "norway_spruce_1_raw", "selection_forest_1_fe_stand", "selection_forest_1_raw", "spruce_beech_1_fe_stand", "spruce_beech_1_raw", "spruce_pine_ccircle_raw", "spruce_pine_ccircle_spatial", "spruce_pine_ccircle_spatial_notrees" ] }, { "page": "fe_ccircle_spatial", "title": "User Friendly Construction of an *fe_ccircle_spatial* Object from a List of Data Frames", "topics": [ "fe_ccircle_spatial" ] }, { "page": "fe_ccircle_spatial_notrees", "title": "User Friendly Construction of an *fe_ccircle_spatial_notrees* Object from a List of Data Frames", "topics": [ "fe_ccircle_spatial_notrees" ] }, { "page": "fe_species_bavrn_state", "title": "Construct a _fe_species_bavrn_state_ Species Code Vector", "topics": [ "fe_species_bavrn_state" ] }, { "page": "fe_species_bavrn_state_short", "title": "Construct a _fe_species_bavrn_state_short_ Species Code Vector", "topics": [ "fe_species_bavrn_state_short" ] }, { "page": "fe_species_ger_nfi_2012", "title": "Construct a _fe_species_ger_nfi_2012_ Species Code Vector", "topics": [ "fe_species_ger_nfi_2012" ] }, { "page": "fe_species_get_coding", "title": "Get Name of the Coding Belonging to an *fe_species* Object", "topics": [ "fe_species_get_coding" ] }, { "page": "fe_species_get_coding_table", "title": "Get the Coding Table of a Supported *fe_species* Coding", "topics": [ "fe_species_get_coding_table" ] }, { "page": "fe_species_master", "title": "Construct a _fe_species_master_ Species Code Vector", "topics": [ "fe_species_master" ] }, { "page": "fe_species_tum_wwk_long", "title": "Construct a _fe_species_tum_wwk_long_ Species Code Vector", "topics": [ "fe_species_tum_wwk_long" ] }, { "page": "fe_species_tum_wwk_short", "title": "Construct a _fe_species_tum_wwk_short_ Species Code Vector", "topics": [ "fe_species_tum_wwk_short" ] }, { "page": "fe_stand", "title": "User Friendly Construction of an *fe_stand* Object from a Data Frame", "topics": [ "fe_stand" ] }, { "page": "fe_stand_spatial", "title": "User Friendly Construction of an *fe_stand_spatial* Object from a List of Data Frames", "topics": [ "fe_stand_spatial" ] }, { "page": "fe_yield_table", "title": "User Friendly Construction of an *fe_yield_table* Object from a Data Frame", "concept": [ "yield table functions" ], "topics": [ "fe_yield_table" ] }, { "page": "format.fe_species_bavrn_state", "title": "Formatted Output of an *fe_species_bavrn_state* Vector", "topics": [ "format.fe_species_bavrn_state" ] }, { "page": "format.fe_species_bavrn_state_short", "title": "Formatted Output of an *fe_species_bavrn_state_short* Vector", "topics": [ "format.fe_species_bavrn_state_short" ] }, { "page": "format.fe_species_ger_nfi_2012", "title": "Formatted Output of an *fe_species_ger_nfi_2012* Vector", "topics": [ "format.fe_species_ger_nfi_2012" ] }, { "page": "format.fe_species_master", "title": "Formatted Output of an *fe_species_master* Vector", "topics": [ "format.fe_species_master" ] }, { "page": "format.fe_species_tum_wwk_long", "title": "Formatted Output of an *fe_species_tum_wwk_long* Vector", "topics": [ "format.fe_species_tum_wwk_long" ] }, { "page": "format.fe_species_tum_wwk_short", "title": "Formatted Output of an *fe_species_tum_wwk_short* Vector", "topics": [ "format.fe_species_tum_wwk_short" ] }, { "page": "get_area_ha", "title": "Get the Area in ha of a Compatible Object", "topics": [ "get_area_ha" ] }, { "page": "get_center", "title": "Obtaining Center Coordinates of Spatial 'fe_stand' Child Objects", "topics": [ "get_center" ] }, { "page": "h_100", "title": "Dominant Height h100", "concept": [ "stand heights" ], "topics": [ "h_100" ] }, { "page": "h_age_gnfi3", "title": "Estimate Tree Height Growth With the 3rd German National Forest Inventory Growth Model (2012)", "concept": [ "growth functions" ], "topics": [ "h_age_gnfi3" ] }, { "page": "h_dom_weise", "title": "Weise's Dominant Height", "concept": [ "stand heights" ], "topics": [ "h_dom_weise" ] }, { "page": "h_q", "title": "Quadratic Mean Height", "concept": [ "stand heights" ], "topics": [ "h_q" ] }, { "page": "h_q_from_d_q", "title": "Estimate Quadratic Mean Height from Quadratic Mean Diameter", "concept": [ "stand heights" ], "topics": [ "h_q_from_d_q" ] }, { "page": "h_standard_bv", "title": "Calculate Tree Heights with the Bavarian Standard Height Curve System", "concept": [ "standard height curve systems" ], "topics": [ "h_standard_bv" ] }, { "page": "h_standard_gnfi3", "title": "Calculate Tree Heights with the Bavarian Standard Height Curve System of the 3rd German National Forest Inventory (2012)", "concept": [ "standard height curve systems" ], "topics": [ "h_standard_gnfi3" ] }, { "page": "height_crown_base_silva", "title": "Estimate a tree's height to crown base", "topics": [ "height_crown_base_silva" ] }, { "page": "is_fe_ccircle_spatial", "title": "Check if an Object is an *fe_ccircle_spatial*", "topics": [ "is_fe_ccircle_spatial" ] }, { "page": "is_fe_ccircle_spatial_notrees", "title": "Check if an Object is an *fe_ccircle_spatial_notrees* object", "topics": [ "is_fe_ccircle_spatial_notrees" ] }, { "page": "is_fe_species_bavrn_state", "title": "Check if an Object is a *fe_species_bavrn_state* species code vector", "topics": [ "is_fe_species_bavrn_state" ] }, { "page": "is_fe_species_bavrn_state_short", "title": "Check if an Object is a *fe_species_bavrn_state_short* species code vector", "topics": [ "is_fe_species_bavrn_state_short" ] }, { "page": "is_fe_species_ger_nfi_2012", "title": "Check if an Object is a *fe_species_ger_nfi_2012* species code vector", "topics": [ "is_fe_species_ger_nfi_2012" ] }, { "page": "is_fe_species_master", "title": "Check if an Object is a *fe_species_master* species code vector", "topics": [ "is_fe_species_master" ] }, { "page": "is_fe_species_tum_wwk_long", "title": "Check if an Object is a *fe_species_tum_wwk_long* species code vector", "topics": [ "is_fe_species_tum_wwk_long" ] }, { "page": "is_fe_species_tum_wwk_short", "title": "Check if an Object is a *fe_species_tum_wwk_short* species code vector", "topics": [ "is_fe_species_tum_wwk_short" ] }, { "page": "is_fe_stand", "title": "Check if an Object is an *fe_stand*", "topics": [ "is_fe_stand" ] }, { "page": "is_fe_stand_spatial", "title": "Check if an Object is an *fe_stand_spatial*", "topics": [ "is_fe_stand_spatial" ] }, { "page": "is_fe_yield_table", "title": "Check if an Object is an *fe_yield_table*", "topics": [ "is_fe_yield_table" ] }, { "page": "n_rep_ha", "title": "Calculate or Return the Representation Number per ha for the Trees Contained in a Compatible Object", "topics": [ "n_rep_ha" ] }, { "page": "new_fe_ccircle_spatial", "title": "Constructor for the *fe_ccircle_spatial* Class", "topics": [ "new_fe_ccircle_spatial" ] }, { "page": "new_fe_ccircle_spatial_notrees", "title": "Constructor for the *fe_ccircle_spatial_notrees* Class", "topics": [ "new_fe_ccircle_spatial_notrees" ] }, { "page": "new_fe_species_bavrn_state", "title": "Constructor for the *fe_species_bavrn_state* Class", "topics": [ "new_fe_species_bavrn_state" ] }, { "page": "new_fe_species_bavrn_state_short", "title": "Constructor for the *fe_species_bavrn_state_short* Class", "topics": [ "new_fe_species_bavrn_state_short" ] }, { "page": "new_fe_species_ger_nfi_2012", "title": "Constructor for the *fe_species_ger_nfi_2012* Class", "topics": [ "new_fe_species_ger_nfi_2012" ] }, { "page": "new_fe_species_master", "title": "Constructor for the *fe_species_master* Class", "topics": [ "new_fe_species_master" ] }, { "page": "new_fe_species_tum_wwk_long", "title": "Constructor for the *fe_species_tum_wwk_long* Class", "topics": [ "new_fe_species_tum_wwk_long" ] }, { "page": "new_fe_species_tum_wwk_short", "title": "Constructor for the *fe_species_tum_wwk_short* Class", "topics": [ "new_fe_species_tum_wwk_short" ] }, { "page": "new_fe_stand", "title": "Constructor for the *fe_stand* Class", "topics": [ "new_fe_stand" ] }, { "page": "new_fe_stand_spatial", "title": "Constructor for the *fe_stand_spatial* Class", "topics": [ "new_fe_stand_spatial" ] }, { "page": "new_fe_yield_table", "title": "Constructor for the *fe_yield_table* Class", "topics": [ "new_fe_yield_table" ] }, { "page": "plot.fe_ccircle_spatial", "title": "Plot an fe_ccircle_spatial Object", "topics": [ "plot.fe_ccircle_spatial" ] }, { "page": "plot.fe_ccircle_spatial_notrees", "title": "Plot an fe_ccircle_spatial_notrees Object", "topics": [ "plot.fe_ccircle_spatial_notrees" ] }, { "page": "plot.fe_stand", "title": "Plot an *fe_stand* Object", "topics": [ "plot.fe_stand" ] }, { "page": "plot.fe_yield_table", "title": "Plot an fe_yield_table Object", "concept": [ "yield table functions" ], "topics": [ "plot.fe_yield_table" ] }, { "page": "se_tests", "title": "Convenient Information About the Precision of a Random Sample", "topics": [ "se_tests" ] }, { "page": "shannon_index", "title": "Shannon Diversity Index for Tree Species", "concept": [ "structure and diversity" ], "topics": [ "shannon_index" ] }, { "page": "si_to_mai_age", "title": "Convert a Standard Site Index Into an MAI(age) Site Index", "concept": [ "yield table functions" ], "topics": [ "si_to_mai_age" ] }, { "page": "si_to_mai_max", "title": "Convert a Standard Site Index Into an maximum MAI Site Index", "concept": [ "yield table functions" ], "topics": [ "si_to_mai_max" ] }, { "page": "site_index", "title": "Find Site Indexes With a Yield Table", "concept": [ "yield table functions" ], "topics": [ "site_index" ] }, { "page": "species_codings", "title": "Supported Species Codings in the Package *ForestElementsR*", "topics": [ "species_codings" ] }, { "page": "species_master_table", "title": "List of Supported Species in the Package *ForestElementsR*", "topics": [ "species_master_table" ] }, { "page": "species_profile", "title": "Species Profile Index After Pretzsch", "concept": [ "structure and diversity" ], "topics": [ "species_profile" ] }, { "page": "species_shares", "title": "species_shares", "topics": [ "species_shares" ] }, { "page": "stand_level_increment", "title": "stand_level_increment", "topics": [ "stand_level_increment" ] }, { "page": "stand_sums_dynamic", "title": "stand_sums_dynamic", "topics": [ "stand_sums_dynamic" ] }, { "page": "stand_sums_static", "title": "Static Stand Sum and Mean Values for an fe_stand Object", "topics": [ "stand_sums_static" ] }, { "page": "standing_area_gnfi3", "title": "Estimate the Standing Area of Single Trees", "topics": [ "standing_area_gnfi3" ] }, { "page": "stocking_level", "title": "Calculate the Stocking Level (\"Bestockungsgrad\") of a Stand", "concept": [ "yield table functions" ], "topics": [ "stocking_level" ] }, { "page": "summary.fe_ccircle_spatial_notrees", "title": "summary For a fe_ccircle_spatial_notrees object", "topics": [ "summary.fe_ccircle_spatial_notrees" ] }, { "page": "summary.fe_species_bavrn_state", "title": "Summary of an *fe_species_bavrn_state* Vector", "topics": [ "summary.fe_species_bavrn_state" ] }, { "page": "summary.fe_species_bavrn_state_short", "title": "Summary of an *fe_species_bavrn_state_short* Vector", "topics": [ "summary.fe_species_bavrn_state_short" ] }, { "page": "summary.fe_species_ger_nfi_2012", "title": "Summary of an *fe_species_ger_nfi_2012* Vector", "topics": [ "summary.fe_species_ger_nfi_2012" ] }, { "page": "summary.fe_species_master", "title": "Summary of an *fe_species_master* Vector", "topics": [ "summary.fe_species_master" ] }, { "page": "summary.fe_species_tum_wwk_long", "title": "Summary of an *fe_species_tum_wwk_long* Vector", "topics": [ "summary.fe_species_tum_wwk_long" ] }, { "page": "summary.fe_species_tum_wwk_short", "title": "Summary of an *fe_species_tum_wwk_short* Vector", "topics": [ "summary.fe_species_tum_wwk_short" ] }, { "page": "summary.fe_stand", "title": "Summary for an *fe_stand* Object", "topics": [ "summary.fe_stand" ] }, { "page": "survey_overview", "title": "Generate an Overview of the Surveys of an fe_stand Object", "topics": [ "survey_overview" ] }, { "page": "v_gri", "title": "Calculate Tree Volumes With the GRI Volume Equations (Franz et al. 1973)", "topics": [ "v_gri" ] }, { "page": "v_red_harvest_ubark", "title": "Reduce a Given standing Volume Over Bark to Harvested Volume Under Bark", "topics": [ "v_red_harvest_ubark" ] }, { "page": "validate_fe_ccircle_spatial", "title": "Validate an *fe_ccircle_spatial* Object", "topics": [ "validate_fe_ccircle_spatial" ] }, { "page": "validate_fe_ccircle_spatial_notrees", "title": "Validate an *fe_ccircle_spatial_notrees* Object", "topics": [ "validate_fe_ccircle_spatial_notrees" ] }, { "page": "validate_fe_species_bavrn_state", "title": "Validate an _fe_species_bavrn_state_ Object", "topics": [ "validate_fe_species_bavrn_state" ] }, { "page": "validate_fe_species_bavrn_state_short", "title": "Validate an _fe_species_bavrn_state_short_ Object", "topics": [ "validate_fe_species_bavrn_state_short" ] }, { "page": "validate_fe_species_ger_nfi_2012", "title": "Validate an _fe_species_ger_nfi_2012_ Object", "topics": [ "validate_fe_species_ger_nfi_2012" ] }, { "page": "validate_fe_species_master", "title": "Validate an _fe_species_master_ Object", "topics": [ "validate_fe_species_master" ] }, { "page": "validate_fe_species_tum_wwk_long", "title": "Validate an _fe_species_tum_wwk_long_ Object", "topics": [ "validate_fe_species_tum_wwk_long" ] }, { "page": "validate_fe_species_tum_wwk_short", "title": "Validate an _fe_species_tum_wwk_short_ Object", "topics": [ "validate_fe_species_tum_wwk_short" ] }, { "page": "validate_fe_stand", "title": "Validate an *fe_stand* Object", "topics": [ "validate_fe_stand" ] }, { "page": "validate_fe_stand_spatial", "title": "Validate an *fe_stand_spatial* Object", "topics": [ "validate_fe_stand_spatial" ] }, { "page": "validate_fe_yield_table", "title": "Validate a Candidate For an fe_yield_table Object", "topics": [ "validate_fe_yield_table" ] }, { "page": "vec_ptype_abbr.fe_species_bavrn_state", "title": "Abbreviation for the _fe_species_bavrn_state_ Type", "topics": [ "vec_ptype_abbr.fe_species_bavrn_state" ] }, { "page": "vec_ptype_abbr.fe_species_bavrn_state_short", "title": "Abbreviation for the _fe_species_bavrn_state_short_ Type", "topics": [ "vec_ptype_abbr.fe_species_bavrn_state_short" ] }, { "page": "vec_ptype_abbr.fe_species_ger_nfi_2012", "title": "Abbreviation for the _fe_species_ger_nfi_2012_ Type", "topics": [ "vec_ptype_abbr.fe_species_ger_nfi_2012" ] }, { "page": "vec_ptype_abbr.fe_species_master", "title": "Abbreviation for the _fe_species_master_ Type", "topics": [ "vec_ptype_abbr.fe_species_master" ] }, { "page": "vec_ptype_abbr.fe_species_tum_wwk_long", "title": "Abbreviation for the _fe_species_tum_wwk_long_ Type", "topics": [ "vec_ptype_abbr.fe_species_tum_wwk_long" ] }, { "page": "vec_ptype_abbr.fe_species_tum_wwk_short", "title": "Abbreviation for the _fe_species_tum_wwk_short_ Type", "topics": [ "vec_ptype_abbr.fe_species_tum_wwk_short" ] }, { "page": "yield_tables", "title": "Yield Tables", "topics": [ "fe_ytable_ash_wimmenauer_1919_29", "fe_ytable_beech_gehrhardt_moderate_1908", "fe_ytable_beech_wiedemann_moderate_1931", "fe_ytable_birch_schwappach_1903_29", "fe_ytable_blackalder_mitscherlich_heavy_1945", "fe_ytable_douglas_schober_moderate_1956", "fe_ytable_japanlarch_schober_moderate_1953", "fe_ytable_larch_schober_moderate_1946", "fe_ytable_oak_juettner_moderate_1955", "fe_ytable_pine_gehrhardt_moderate_1921", "fe_ytable_pine_wiedemann_moderate_1943", "fe_ytable_poplar_blume_1949", "fe_ytable_redoak_bauer_1955", "fe_ytable_silver_fir_hausser_moderate_1956", "fe_ytable_spruce_assmann_franz_mean_yield_level_1963", "fe_ytable_spruce_gehrhardt_moderate_1921", "fe_ytable_spruce_guttenberg_1915", "fe_ytable_spruce_vanselow_1951", "fe_ytable_spruce_wiedemann_moderate_1936_42", "yield_tables", "ytable_pine_wiedemann_moderate_1943_raw" ] }, { "page": "yield_tables_for_species", "title": "Yield Tables To Species Assignments", "concept": [ "yield table 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"filename": "tree_species_codings.html", "title": "Tree Species Codings in ForestElementsR", "author": "Peter Biber", "engine": "knitr::rmarkdown", "headings": [ "1. 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