[R] finding rows in a matrix that match a vector

[Melrose2012]

Hi,

Please excuse my ignorance, but I am just learning R (this is my very first
day programming in R) and having a really hard time figuring out how to do
the following:

I have a matrix that is 1000 row by 6 columns (named 'table.combos') and a 1
row by 6 column vector (named 'mine').  I want to find every row in
'table.combos' that equals 'mine' and then count this number of times that
this is the case.

In matlab, I would use the 'find' command but I can not seem to figure out
what syntax to use for R.

Can anyone please help?  

Again, I'm assuming this is probably a very easy thing to do, but since I am
new to R, I am having a hard time figuring it out.  I did some research on
previous posts and saw that the 'apply' function appears to do osmething
like this, except I don't know what function I am supposed to input into
'apply' to use this.

Thanks in advance for the help!

Cheers,
Melissa

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