# #——回声= FALSE,结果=“隐藏”,消息= FALSE ------------------------------- 需要(knitr)美元opts_chunk组(错误= FALSE,消息= FALSE,警告= FALSE)图书馆(BiocNeighbors ) ## ----------------------------------------------------------------------------- 脑袋< - 10000 ndim < < - - 20数据矩阵(runif(脑袋* ndim), ncol = ndim)输出信号< findKNN(数据、k = 10BNPARAM = AnnoyParam())头(输出端指数美元)头(输出端距离美元 ) ## ----------------------------------------------------------------------------- nquery ndim < < - 1000 - 20查询< -矩阵(runif (nquery * ndim), ncol = ndim) qout < - queryKNN(数据、查询、k = 5, BNPARAM = AnnoyParam())头(qout美元指数)头(qout距离美元 ) ## ----------------------------------------------------------------------------- 前< - buildIndex(数据,BNPARAM = AnnoyParam())着干活< - findKNN (BNINDEX =前,k = 5) out2 < queryKNN (BNINDEX =前,查询=查询,k = 2 ) ## ----------------------------------------------------------------------------- AnnoyIndex_path(前 ) ## ----------------------------------------------------------------------------- sessionInfo ()