Dear R users,
I would like to construct a matrix of seasonal dummy variables, such matrix can
be written as follows(i.e format(T,4))
1 0 0 0
0 1 0 0
0 0 1 0
0 0 0 1
1 0 0 0
0 1 0 0
0 0 1 0
0 0 0 1
1 0 0 0
0 1 0 0
0 0 1 0
0 0 0 1
. . . .
. . . .
etc
I have written the following small program:
T=100
br<-matrix(0,T,4)
for (i in 1:T)
{
+ for (j in 1:4)
{
+ if i=j
{+ br[i,j]=1
+ }
+ if else (abs(i-j)%%4==0)
{+ br[i,j]=1
+}
+ else
{+ br[i,j]=0
+}
+}
+}
I have obtained the following message from R consol:
> T=100
> br<-matrix(0,T,4)
> for (i in 1:T)
+ {
+ + for (j in 1:4)
+ {
+ + if i=j
Erreur : syntax error, unexpected SYMBOL, expecting '(' dans :
"
"
>
> {+ br[i,j]=1
+ + }
Erreur : syntax error, unexpected '}' dans "{+ br[i,j]=1"
>
> + if else (abs(i-j)%%4==0)
Erreur : syntax error, unexpected ELSE, expecting '(' dans " + if else"
> {+ br[i,j]=1
+ +}
Erreur : syntax error, unexpected '}' dans " {+ br[i,j]=1"
> + else
Erreur : syntax error, unexpected ELSE dans " + else"
> {+ br[i,j]=0
+ +}
Erreur : syntax error, unexpected '}' dans " {+ br[i,j]=0"
> +}
Erreur : syntax error, unexpected '}' dans "+}"
> +}
Erreur : syntax error, unexpected '}' dans "+}"
>
I would require if you can rectify my program in order to obtain this matrix of
seasonal dummies. Many thanks in advance.
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