# 中位数替换
data[which(is.na(data$decisionhabit_user)),] <- median(data$decisionhabit_user, na.rm = TRUE)
# 数值0替换
data[which(data$historyvisit_7ordernum == 'NULL'), 7] <- 0
# 中位数替换
data[which(is.na(data$decisionhabit_user)),] <- median(data$decisionhabit_user, na.rm = TRUE)
# 数值0替换
data[which(data$historyvisit_7ordernum == 'NULL'), 7] <- 0
本文标题：R 使用指定值替换缺失值
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