hi ladies and gentlemen of the R community.
i'm federico an italian student of statistics and i've got an issue to submit
to you:
i've got a huge file.txt replenished of blank values (over a milion of them).
by importing it into R the read.table() function higlights missing objects per
row an
hi ladyes and gentlemans of the R comunity.
i have the following graphical issue:
# say y is a matrix or a dataframe with
dim(51,nrow=17),hence 3 columns;
l<-51
# now the 3 colums represents 3 different aspects of
my continuous variable (3 factors),plotted against a
categorical one;
n<-levels(fa
hello, ladyes and gentlemans.
check this:
means<-c(4,6,8)
stand.error<-c(0.1,0.3,0.5)
now i've strongly tryed to scatterplot the
means(y-axis),by showing their sd with the
arrow(..,code=3,angle=90) function.
The problem is that my x-axis has categorical values
(say, factor(x)), and the arrows()
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