[R] Quantile question

[Takos]

Simple Question

I have 100x100 matrix and I want to calculte each row's 30,50% quantile

ex)

a=matrix(rnorm(10000),100,100)
quantile(a[1,],c(0.3,0.5))
quantile(a[2,],c(0.3,0.5))
.
.
.
.


I want get results at once.

so I try quantile(a[1:100,],c(0.3,0.5)) but I can get what I exactly want.

How can I calculte that?





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