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jasonelaw / nrsa

R package for calculating habitat metrics from the National Rivers and Streams Assessment protocol
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medbkun all 0's #24

Closed PDXChris closed 6 years ago

PDXChris commented 6 years ago

medbkun is all 0's or NA's, which may be appropriate but I know of at least one site in Balch Creek along Cornell Rd. that has nice undercut bank.

jasonelaw commented 6 years ago

In all of the data collected so far, here's the breakdown of undercut banks > 0:

> table(raw$bank$undercut > 0, useNA = 'ifany')

FALSE  TRUE  <NA> 
 4554   106    40

Sooooo, the median is extraordinarily unlikely to be anything other than 0.