EffortSb: Calculates Fishing Effort for Striped Bass Fyke Traps & Gill...

In jasondubois/sportfish: Methods and Function for CDFW Sportfish Unit Data

Description

Using start time and end time values, EffortSb calculates in hours the time fished for either fyke traps or gill nets. The output is then paired with catch data to calculate CPUE (or catch per unit effort).

Usage

EffortSb(data, sTime, eTime, netNum)

Arguments

data	A dataframe containing at least start time, end time, and net number.
sTime	A datetime variable within data. Start time fishing net or trap.
eTime	A datetime variable within data. End time fishing net or trap.
netNum	Numeric or charater value denoting number of net or trap.

Value

A list of class EffortSb with the following values:

• Hours (fishing effort in hours; total)

• HoursAvg (average fishing hours)

• HoursVar (variance fishing hours)

• Days (count of days fished)

• NetSets (count of nets or traps fished)

• NetCount (<add explanation>)

• NetCountDup (counts of traps [mostly] fished more than once per)

Examples

# coming soon

jasondubois/sportfish documentation built on July 3, 2020, 1:01 p.m.