validate_age_ffwear: Validate age-ffwear combinations.

Description Usage Arguments Details Value

Description

0 or 1 FF wear is highly suspicious for age 5 and 6. Flag all these records Sometimes 0 FF wear is normal if paired with S FF molt, but then micro-ageing is suspect, so we should flag the record either way, maybe with a message FF wear and age combination unlikely. Check this record

Usage

1

Arguments

df

bird data frame

Details

2+ FF wear is suspicious for age 4–add message age and FF wear combination unlikely

4+ is suspicious for age 2–add unlikely message

Value

data frame of rows with age/ffwear issues


sigmaxbar/birdproofr documentation built on May 14, 2019, 8:56 p.m.