r语⾔插补法_r语⾔如何⾃动填补缺失值？缺失值插补
data
newdata
sum(!complete.cas(newdata))
好久不见英文#统计变量中？个数
mydata
col_names
length(which(mydata=="?"))
length(which(mydata=="N"))
table(subject)
reading是什么意思mydata[mydata=="?"]
雅思报名官网打不开
机织物library(misc)
describe()
library(psych)
describe()
library(mice)
#data(newdata)
mydata
imp
imp$imp$age
complete(imp,action=2)
library(xlsx)
library(rJava)
write.xlsx(mydata,"mydata.xlsx")
library(rJava)
成人初学者dd
sum(is.na(dd[,2]))
ncol(dd)
attach(dd)
lect_colname
lect_colname[is.na(lect_colname)]
### dplyr hmisc
library(dplyr)avp
vicky怎么读
library(hmisc)
df %>% mutate_all(impute,mean)
data(sleep,package="VIM")
library(VIM)
data(sleep,package="VIM")
head(sleep)
sum(is.na(sleep$Dream))
library(mice)
md.pattern(sleep)
aggr(sleep,prop=FALSE,numbers=TRUE)
library(mice)
imp
fit
pooled
summary(pooled)
library(mice)
data(sleep,package="VIM")
imp
#观测实际插补值
imp$imp$Sleep
complete(imp,action=2)
library(xlsx)
library(rJava)
write.xlsx(mydata,"mydata.xlsx")
fit
pooled
summary(pooled)
#三维散点图
#⽅法1
library(scatterplot3d)
attach(mtcars)
scatterplot3d(wt,disp,mpg,highlight.3d=TRUE,type="h", main="basic 3d scatter plot") #⽅法2
library(rgl)
plot3d(x,y,z,col="red",size=5) #统计变量中？个数亲爱的用英文怎么说
length(which(subject==1)) length(which(subject==2)) table(subject)
library(misc)
describe()
library(psych)
al qaida
成人英文怎么写describe()
