Dear R users,

I have a list of vectors (list is called HTNlist). Each vector is of length
1 to 4 and takes only 0 and 1 as values. E.g.

head(HTNlist)
$`30008`
[1] 1 0 1 0

$`60008`
[1] 0 0 1 0

$`90008`
[1] 0 0 1 0

$`100007`
[1] 1

$`130001`
[1] 0 1

$`130007`
[1] 1 0 1 0

I would like to obtain a frequency table for the elements of the list. I
want to know how many of
'1 0 0' I have in the list, how many '1 0 1 0' etc.

Can you please help?

Thank you in advance,
MP

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