R语言模糊匹配的进一步优化

时间:2021-05-16 09:45:02

#实现了单一模式匹配后,为实现总体的双组数据模糊匹配的进一步优化。

rm(list = ls())


library(tidyr)
library(dplyr)
library(lubridate)
library(rJava)
library(xlsxjars)
library(xlsx)
library(data.table)
library(readr)
library(readxl)


setwd('G:\\R\\data\\0423')


dir()


data1 <- read_excel('data1.xlsx')


data2 <- read_excel('data2.xlsx')


data1$bz <- 0


for(j in 1:nrow(data1)){
  for (i in 1:nrow(data2)) {
    if (grepl(pattern = data2$gysh[i],data1$gysh[j]) == TRUE){
      data1$bz[j] <- i
      print(i)
    }
  }
}