我有3个用于比较的数据框，它们都是通过row.names（基因型，亲属关系，表型）链接的。
为了执行Bootstrap重采样，我想从我的表型文件中取出多个样本并允许替换 - 这需要允许重复的row.names以便所有文件都匹配。
check.rows = F和check.names = F都不允许重复。
phenoperm = data.frame(pheno[sample(nrow(pheno), replace = TRUE), ], check.rows = F, check.names = F)
为复制产生更改的row.names：
X1
X1.1
X1.2
当我尝试强制row.names：rownames(phenoperm) <- phenoperm$rownames时出现此错误：
Error in row.names＆LT; - data.frame ( TMP , value = value) :
duplicate 'row.names' are not allowed
In addition: Warning message:
non-unique values when setting 'row.names': ‘X1’
非常感谢任何帮助！
更多代码：
for(p in 1:perms) {print(p)
### THE LINE BELOW DOES NOT ALLOW FOR DUPLICATE ROW.NAMES ###
### DUPLICATE ROW.NAMES ARE NECESSARY TO MATCH OTHER FILES ###
phenoperm = data.frame(pheno[sample(nrow(pheno), replace = TRUE), ], row.names = phenoperm$row.names, check.names = FALSE, check.rows = FALSE)
### INSTEAD IT PRODUCES DUPLICATE ROW.NAMES AS 23, 23.1, 23.2, ETC ###
### THE NUMBERS IN WHICH A "-.1" OR ".2" ARE ADDED DO NOT MATCH ###
result = GRSDbinom.permsfast(data[[chr]], pheno = phenoperm, pheno.col = "pheno.col", addcovar, tx, sanger.dir)
top <- max(-log10(result$pv))
MAX.LOD = result$POS[which(-log10(result$pv) >= top)]
# Save the locus.
permutations[p,] = c(min(MAX.LOD), max(MAX.LOD))
}