Count how many records of unique values there are in the data set

Asked Sep 30 '18 at 14:37

Active Sep 30 '18 at 14:37

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I have a data set where there are 7 unique marker codes. I want to know if there is a way to count the number of records for each of the 7 unique marker codes.

unique(Assign1North$marker_codes)
[1] "COI-5P|COI-5P"                             "COI-5P"                                   
[3] NA                                          "COI-5P|COI-5P|COI-5P|COI-5P|COI-5P|COI-5P"
[5] "COI-5P|COI-5P|COI-5P|COI-5P"               "COI-5P|COI-5P|COI-5P"                     
[7] "COI-5P|COI-5P|COI-5P|COI-5P|COI-5P"

asked Sep 30 '18 at 14:37

temsandroses

3

do you need `table(Assign1North$marker_codes)` ? – Ronak Shah Sep 30 '18 at 14:40
@RonakShah I just tried that and it worked, thank you. – temsandroses Sep 30 '18 at 14:44

Count how many records of unique values there are in the data set

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