data_index_survey: Index for the standardized surveys

data_index_surveyR Documentation

Index for the standardized surveys

Description

A data frame of index values for the standardized surveys that are relevant to this species.

Usage

data_index_survey

Format

A data frame with four columns

  • Year: a four digit integer for year

  • dir: the directory where the data are stored in data-raw

  • surveyname: the survey name using characters

  • area: the model area of relevance, e.g., North

  • distribution: the assumed distribution used to fit the model

  • Fleet: a version of the strata with depth

  • Estimate_metric_tons: estimate in mt

  • SD_log: the log standard deviation

  • SD_mt: the standard deviation in normal space

  • strata: the stratafication the estimate pertains to

  • year: a four digit integer for year

  • obs: the estimate per year

  • se_log: the log standard error of the estimate

  • seas: equal to 7 because all fleets "operate" in the middle of the year

  • index: equal to 7 because all fleets "operate" in the middle of the year


iantaylor-NOAA/Lingcod_2021 documentation built on Oct. 30, 2024, 6:42 p.m.