About
dim function
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Example
df = data.frame(col1=1:5,col2=5:1,col3=6:10)
df
col1 col2 col3
1 1 5 6
2 2 4 7
3 3 3 8
4 4 2 9
5 5 1 10
dim(df)
[1] 5 3
dim function
df = data.frame(col1=1:5,col2=5:1,col3=6:10)
df
col1 col2 col3
1 1 5 6
2 2 4 7
3 3 3 8
4 4 2 9
5 5 1 10
dim(df)
[1] 5 3