How to install statistics package in Octave(4.0.0) in Ubuntu 16.04?

I have tried >> pkg install -forge statistics , but it showed

error: the following dependencies were unsatisfied: statistics needs io >= 1.0.18

What should I do now?

I installed octave the following way:

sudo apt-get install octave

Then I ran

sudo apt-get install octave-statistics

If you then want to use a function from the statistics package, you will have to use (from the octave prompt):

pkg load statistics

That worked fine for me on Ubuntu 18.04

You should first install io: enter

pkg install -forge io

on the octave command line.

Then install the statistics package and when you want to use it enter

pkg load statistics

to load it.