 # Nested IF statements

How would I recode this MatLab code into Gauss?  I am interested in coding for the nested IF statements.

MatLab:

```for i=1:5000

for t=4:15 %The fourth month here is the first of the 12 months
if IOFC(i,t-3) <=6
if IOFC(i,t-2) <=6
phi(i,t)=1;
else
phi(i,t)=0;
end
elseif IOFC(i,t-2)<=4
phi(i,t)=1;
else
phi(i,t)=0;
end
end
end
```

0

I am assuming that the IOFC references in the Matlab code are indexing into matrices. If they are actually function calls, replace "IOFC[i, t-3]" with "IOFC(i, t-3)".

```for i(1, 5000, 1);
for t(4, 15, 1);
if IOFC[i, t-3] ≤ 6;
if IOFC[i, t-2] ≤ 6;
phi[i, t] = 1;
else;
phi[i, t] = 0;
endif;
elseif IOFC[i, t-2] ≤ 4;
phi[i, t] = 1;
else;
phi[i, t] = 0;
endif;
endfor;
endfor;
```

The main differences are that in GAUSS, if statements end with endif and for statements are ended with endfor. Also, for loops have the syntax:

```for counter(start, stop, increment);
```

compared to:

```for counter=start:end
``` aptech
1,653

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