[R] Reshape Dataframe

[Bert Jacobs]

Hi,

I'm having a bit of problems in creating a new dataframe. 
Below you'll find a description of the current dataframe and of the
dataframe that needs to be created.
Can someone help me out on this one?
Thx in advance.
Bert

Current Dataframe

Var1	Var2	Var3	Var4
A	Fa	W1	1
A	Si	W1	2
A	Fa	W2	3
A	Si	W3	4
B	Si	W1	5
C	La	W2	6
C	Do	W4	7

New Dataframe

Var1	Var2	W1	W2	W3	W4
A	Fa	1	3		
A	Si	2		4
A	La
A	Do			
B	Fa				
B	Si	5		
B	La
B	Do
C	Fa				
C	Si			
C	La		6
C	Do				7