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1.

linear equation

Yi,new = C 1*Yi,old + C2*X2,j + C3*X3,k + C4*X4,l + C5*X5,m + C6

2.

multiplication

Yi = X1,j*X2,k

3.

division

Yi = X1,j / X2,k

4.

involution

Yi = X1,jX2,k

5.

natural logarithm

Yi = ln(Xj)

6.

common logarithm

Yi = 10 log(Xj)

7.

exponential

Yi = exp(Xj)

8.

power of 10

Yi = 10Xj

9.

power

Yi = XjC1

10.

power of constant

Yi = C1{}Xj Xj

11.

polynomial

Yi = C0+C1X1,j + C2X1,j2 + C3X1,j3 + C4X1,j4

12.

conditional

Yi = max (X1,j, X2,k, X3,l, X4,m, C)

13.

conditional

Yi = min (X1,j, X2,k, X3,l, X4,m, C)

14.

conditional

Yi = mean (X1,j, X2,k, X3,l, X4,m )

15.

drift

Yi = X1 + C1dt + C0

16.

conditional

if Xi < C1 then Yi Yi = C0 else Yi Yi = Xi

17.

conditional

if Xi > C1 then Yi Yi = C0 else Yi Yi = Xi

18.

conditional

if Xi < C1 then Yi Yi = C0 else Yi Yi = Xi

19.

conditional

if Xi = missing then Yi Yi = C0 else Yi Yi = Xi

20.

conditional

if X1 = missing then Y = X2 else Y = X1

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