~在Windows上安装RMySQL: 1)安装最新的RTools/cygwin 2)添加R bin目录到path(右键单击My Computer >> properties >> advanced system settings >> Environment Variables >> edit path append ";C:\Program Files\R\R-2.14.0\bin\x64\" sans quotes) 3)安装MySQL-server 4)创建或编辑文件C:\Program Files\R\R-2.14.0\etc\Renviron.5)拷贝libmysql. site并添加MYSQL_HOME=C:/Program Files/MySQL/MySQL Server 5.5 (MySQL文件的路径)lib从C:\Program Files\MySQL\MySQL Server 5.5\lib到C:\Program Files\MySQL\MySQL Server 5.5\lib\opt(愚蠢,但这是看起来…) 6)拷贝libmysql.dll到C:\Program Files\R\R-2.14.0\bin 7)拷贝libmysql.dll到C:\Program Files\MySQL\MySQL Server 5.5\bin\(再一次,愚蠢,但它看起来就在那里…)8)运行install.packages('RMySQL',type='source'),等待编译结束。~运行并行版本的getNearestFeature, getSitesInFeature, getfeaturets: 1)根据机器/操作系统加载下列库之一:doparallew, doMC, doSMP, doSNOW, doMPI。2)根据库使用registerDoXXXX()函数注册并行后端。示例1:library(doSMP) w <- startWorkers(2) registerDoSMP(w) getNearestFeature(…例2:library(doMC) registerDoMC(2) getNearestFeature(…, parallel=T)例3:library(doSNOW) cl <- makeCluster(2, type = "SOCK") registerDoSNOW(cl) getNearestFeature(…, parallel=T)例4:library(dopar列)cl <- makeCluster(2) registerdopar列(cl) getNearestFeature(…, parallel=T) 3)很少后端在后台启动工作,所以一定要关闭它们。阅读相应的do*包的文档以获得更多信息。下面给出了几个例子。对于doSMP库,使用stopWorkers(w)对于doSNOW和doparallew库,使用stopCluster(cl)