I have a table like this:
Date TIME Q
A a 1
A b 2
A c 3
B a 4
B b 5
B c 6
C a 7
C b 8
C c 9
I want use R language to turn it to a matrix like :
a b c
A 1 2 3
B 4 5 6
C 7 8 9
I am new to R , anyone can help? Thanks in advance! have a table like this:
Date TIME Q
A a 1
A b 2
A c 3
B a 4
B b 5
B c 6
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