生信分析常用class
1.AnnotationDb-objects 是R中所有注释包的最基础的class,可用于各种数据库中ID转换,常用的三个函数select
, columns和keys,saveDb(保存AnnotationDb object),loadDb,species(shows the genus and species label currently attached to the
AnnotationDb
objects database.)
ref_web:http://lutgw1.lunet.edu/usr/lib64/R/library/AnnotationDbi/html/AnnotationDb-class.html