你可以这样做:
df1$id <- 1
reshape(df1, idvar="id", timevar="Object", direction="wide")[-1]
# Mean.x IQR.x Skew.x Mean.y IQR.y Skew.y Mean.z IQR.z Skew.z
#1 1 1 1 2 2 2 3 3 3
或者使用dcast
, melt
from reshape2
library(reshape2)
dcast(melt(df1, id.var=c('id', 'Object')), id~..., value.var='value')[-1]
# x_Mean x_IQR x_Skew y_Mean y_IQR y_Skew z_Mean z_IQR z_Skew
#1 1 1 1 2 2 2 3 3 3
或者使用dplyr
and tidyr
library(dplyr)
library(tidyr)
df1 %>%
gather(Var, Val, Mean:Skew) %>%
unite(VarNew,Object, Var, sep="") %>%
spread(VarNew, Val) %>%
select(-id)
# xIQR xMean xSkew yIQR yMean ySkew zIQR zMean zSkew
#1 1 1 1 2 2 2 3 3 3
data
df1 <- structure(list(Object = c("x", "y", "z"), Mean = 1:3, IQR = 1:3,
Skew = 1:3), .Names = c("Object", "Mean", "IQR", "Skew"), class = "data.frame", row.names = c(NA,
-3L))