v0.0.19

Improve

• Add llh to GPLVM
• Some argument of kernel/kernelArgs becomes unnecessary
• Add k-modes and k-prototypes

Breaking changes

• Change to default export of SplineInterpolation and SmoothingSpline
• Change to default export of HoltWinters
• Fix name of JeoJohnson to YeoJohnson
• Remove env parameter from some unnecessary functions

Bug fix

• predict function of HoltWinters
• Parameters of HMM become NaN sometime

Minor changes

• Change default parameters of GPLVM
• Change default parameters of PPR
• Improve initialize of ARMA
• Fix JSDoc
• Create command of creating .d.ts file