Try this:
kronecker(rep(1, 3), diag(4))
[,1] [,2] [,3] [,4]
[1,]1000
[2,]0100
[3,]0010
[4,]0001
[5,]1000
[6,]0100
[7,]0010
[8,]0001
[9,]1000
[10,]0100
[11,]0010
[12,]0001
On 8/26/07, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
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))
10 0 0
01 0 0
00 1 0
00 0 1
10 0 0
01 0 0
00 1 0
00 0 1
10 0 0
01 0 0
00 1 0
00 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.
[[alternative HTML version deleted]]
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
