from_import | filename_points_covered_by_landmarks() | ||
install_package | +函数的作用是:在给定包对象的情况下安装包 | ||
install_packages | filename_points_covered_by_landmarks() | ||
is.package_obj | 如果obj是filename_points_covered_by_landmarks对象,filename_points_covered_by_landmarks()返回TRUE | ||
libraries | 库() | ||
load_package | +函数的作用是:在给定包对象的情况下加载包 | ||
package | 包() | ||
packages | 包() |