Take this as an example:
a=data.frame(col1=c(1,2,3,4,5), col2=c
(my,beloved,daughter,son,wife))
b=data.frame(col1=c(1,2,4),
col2=c(my,beloved,son))
a
col1 col2
11 my
2
2 beloved
33 daughter
44 son
55 wife
b
col1col2
11 my
22
10:02 AM
Subject: [R] finding missing lines...
Take this as an example:
a=data.frame(col1=c(1,2,3,4,5), col2=c
(my,beloved,daughter,son,wife))
b=data.frame(col1=c(1,2,4),
col2=c(my,beloved,son))
a
col1 col2
11 my
2
2 beloved
33 daughter
44 son
55
Vittorio,
you can also code sthing like this:
ind-(setdiff(b,a))$col1
you have what is common in a and b,
and then you take the opposite in a :
a[-ind,]
col1 col2
3 3 daughter
5 5 wife
hope this helps,
florence.
On 10/7/05, Vittorio [EMAIL PROTECTED] wrote:
Take this as an example:
