This function returns a character vector listing all the functions available in the specified R package. It first checks if the package is installed and can be loaded; if not, it raises an error.
Examples
str(package_functions(package = "raster"))
#> chr [1:281] "%in%" "Arith" "Compare" "Geary" "GearyLocal" "KML" "Logic" ...
str(package_functions(package = "sf"))
#> chr [1:156] "%>%" "FULL_bbox_" "NA_agr_" "NA_bbox_" "NA_crs_" ...
package_functions(package = "ecokit")
#> [1] "%>%" "add_cross_to_grid"
#> [3] "add_diagonals_to_grid" "add_image_to_plot"
#> [5] "add_line" "add_missing_columns"
#> [7] "all_objects_sizes" "arrange_alphanum"
#> [9] "assign_env_vars" "assign_if_not_exist"
#> [11] "bash_variables" "boundary_to_wkt"
#> [13] "cat_diff" "cat_names"
#> [15] "cat_sep" "cat_time"
#> [17] "cc" "check_args"
#> [19] "check_data" "check_env_file"
#> [21] "check_feather" "check_gbif"
#> [23] "check_image" "check_qs"
#> [25] "check_quarto" "check_rdata"
#> [27] "check_rds" "check_rstudio"
#> [29] "check_stack_in_memory" "check_system_command"
#> [31] "check_tiff" "check_url"
#> [33] "check_zip" "chelsa_var_info"
#> [35] "clear_console" "clip_raster_by_polygon"
#> [37] "detect_alias" "dir_size"
#> [39] "file_extension" "file_size"
#> [41] "file_type" "function_arguments"
#> [43] "get_chelsa_links" "get_mode"
#> [45] "git_log" "ht"
#> [47] "info_chunk" "integer_breaks"
#> [49] "keep_only" "lapply_"
#> [51] "list_to_rdata" "load_as"
#> [53] "load_multiple" "load_packages"
#> [55] "load_packages_future" "loaded_packages"
#> [57] "maxent_open" "maxent_variable_importance"
#> [59] "n_decimals" "n_unique"
#> [61] "nc_global_attributes" "normalize_path"
#> [63] "os" "package_functions"
#> [65] "package_remote_sha" "pak_from_renv"
#> [67] "parent_dir" "polygon_centroid"
#> [69] "quiet_device" "quietly"
#> [71] "range_to_new_value" "raster_to_pres_abs"
#> [73] "record_arguments" "reload_package"
#> [75] "rename_geometry" "replace_space"
#> [77] "sapply_" "save_as"
#> [79] "save_multiple" "save_session"
#> [81] "save_session_info" "scale_0_1"
#> [83] "scrape_link" "script_location"
#> [85] "set_geometry" "set_parallel"
#> [87] "set_raster_crs" "sf_add_coords"
#> [89] "source_silent" "split_df_to_chunks"
#> [91] "split_raster" "split_vector"
#> [93] "stop_ctx" "system_command"
#> [95] "text_to_coordinates" "tibble_column_size"
#> [97] "used_packages"
if (FALSE) { # \dontrun{
# Error: package not found
package_functions(package = "non_exist")
} # }