在R語(yǔ)言中,可以使用merge()函數(shù)或者join()函數(shù)來(lái)合并兩個(gè)數(shù)據(jù)集。
示例代碼:
# 創(chuàng)建兩個(gè)數(shù)據(jù)集
df1 <- data.frame(ID = 1:5, Name = c("A", "B", "C", "D", "E"))
df2 <- data.frame(ID = 3:7, Age = c(20, 30, 40, 50, 60))
# 使用merge函數(shù)合并數(shù)據(jù)集
merged_df <- merge(df1, df2, by = "ID")
merged_df
示例代碼:
# 導(dǎo)入dplyr包
library(dplyr)
# 創(chuàng)建兩個(gè)數(shù)據(jù)集
df1 <- data.frame(ID = 1:5, Name = c("A", "B", "C", "D", "E"))
df2 <- data.frame(ID = 3:7, Age = c(20, 30, 40, 50, 60))
# 使用left_join函數(shù)合并數(shù)據(jù)集
merged_df <- left_join(df1, df2, by = "ID")
merged_df
以上就是在R語(yǔ)言中合并兩個(gè)數(shù)據(jù)集的方法,可以根據(jù)實(shí)際需求選擇使用merge()函數(shù)或者join()函數(shù)進(jìn)行合并操作。