nybight {SDAResources}

nybight data

Description

Data collected in the New York Bight for June 1974 and June 1975. Two of the original strata were combined because of insufficient sample sizes. For variable "catchwt", weights less than 0.5 were recorded as 0.5 kg.

Usage

data(nybight)

Format

This data frame contains the following columns:

year:

year of data collection, 1974 or 1975

stratum:

stratum membership, based on depth

catchnum:

number of fish caught during trawl

catchwt:

total weight (kg) of fish caught during trawl

numspp:

number of species of fish caught during trawl

depth:

depth of station (m)

temp:

surface temperature (degrees ^{\circ}C)

Details

Missing values are coded as NA.

References

Wilk et al. (1977). Fishes and Associated Environmental Data Collected in New York Bight, June 1974–June 1975. NOAA Tech. Rep. No. NMFS SSRF-716. Washington, DC: U.S. Government Printing Office.

Lohr (2021), Sampling: Design and Analysis, 3rd Edition. Boca Raton, FL: CRC Press.

Lu and Lohr (2021), R Companion for Sampling: Design and Analysis, 3rd Edition, 1st Edition. Boca Raton, FL: CRC Press.