what is kth difference method what is the kth difference in statistics? what is kth difference method what makes an experiment non stationary how to make a measurement non-stationary which method will be used to make the test non stationary? why is k th difference useful how can i make a data set stationary how to make data stationary how to make data stationary how to make data stationary what is kth difference used for what is difference method of kth can kth difference method give non stationary data what is the method used to make a data set stationary why is stationary data useful is k-th difference method suitable what is the kth difference used in statistics can you make a non stationary data which method makes the data stationary