[求助] 求问大神R语言这段做PCA图的代码错在哪里，新手头疼找不出问题 5555

> library(ade4) > library(ggplot2) > library(grid) > data <- read.table("otu_table.even.txt", head=T, row.names=1, sep="\t" > groups <- read.table("group.list",head=F, colClasses=c("character","character") > data <- t(data) > pca <- dudi.pca(data[,1:ncol(t(data))], scannf=F, nf=5) Error in v * row.w : 二进列运算符中有非数值参数

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