Different prior on sigmalambda2
Correlation Paper
sigmalambda2 is not over estimated at all

it is not wise to set.seed at first place!
Project test

Try to solve the problem of directory.
The stochastic volatility level is very unstable
Round error result in negative variance
Merge pull request #10 from mathsoul/TestBranch

Stochastic volatility is super unstable & Round error result in negative variance