FSA

Capture histories (2 samples) of Bluegill from Jewett Lake, MI.

Catch-at-age for Tobin Harbor, Isle Royale Brook Trout.

Lengths and weights for Chinook Salmon from three locations in Argentina.

Stock and recruitment data for Norwegian cod, 1937-1960.

Capture histories (9 samples) of Cutthroat Trout from Auke Lake.

Population growth of Escherichia coli.

Fisheries stock assessment methods and data.

Internal functions.

Capitalizes the first letter of first or all words in a string.

Mirex concentration, weight, capture year, and species of Lake Ontario salmon.

Gabelhouse five-cell length categories for various species.

Summarized multiple mark-recapture data for all Northern Pike from Buckhorn Marsh, NY.

Capture histories (4 samples), in capture history format, of a subset of Northern Pike from Buckhorn Marsh, NY.

Catch-effort data for Little Silver Lake (Ont) Smallmouth Bass.

Growth increment data for West Bearskin Lake, MN, Smallmouth Bass.

The four-parameter growth function from Schnute (1981).

The five-parameter growth function from Schnute and Richards (1990).

Age and length of spot.

Subsets/filters a data frame and drops the unused levels.

Summary statistics for a numeric variable.

Ages and lengths for a hypothetical sample from Westerheim and Ricker (1979).

All known standard weight equations.

Assigned ages from two readers on three structures for Lake Whitefish from Lake Champlain.

Adds zeros for catches of species not collected in some sampling events.

Compute and view possible differences between paired sets of ages.

Compute measures of precision among sets of ages.

Proportions-at-age from an age-length key

Use an age-length key to assign age to individuals in the unaged sample.

Mean Values-at-age from an age-length key

Plots to visualize age-length keys.

Confidence intervals for binomial probability of success.

Case bootstrapping and associated S3 methods.

Convert between capture history data.frame formats.

Summarize capture histories in individual fish format.

Mortality estimates from the descending limb of a catch curve.

Computes Chapman-Robson estimates of S and Z.

Create a list of colors from among a variety of color palettes.

Converts an R color to RGB (red/green/blue) including a transparency (alpha channel).

Tests for significant differences among all pairs of intercepts in a dummy variable regression.

Tests for significant differences among all pairs of slopes in a dummy variable regression (DVR).

Computes the Leslie or DeLury population estimate from catch and effort data.

Extract diagonals from a matrix.

Dunn's Kruskal-Wallis Multiple Comparisons.

Repeat individual fish data (including lengths) from tallied counts.

Expands a length frequency based on a subsample.

Likelihood ratio and extra sum-of-squares tests.

Converts "numeric" factor levels to numeric values.

Opens web pages associated with the fishR website.

Fitted model plot for an lm, glm, or nls object.

Read news and changes for the 'FSA' package.

Calculates the geometric mean or geometric standard deviation.

Creates a function for a specific parameterization of the von Bertalanffy, Gompertz, Richards, and logistic growth functions.

Shows rows from the head and tail of a data frame or matrix.

Creates separate histograms by levels.

Create a histogram from a frequency table.

Performs a hypothesis test that a linear model parameter is equal to a specific value.

Confidence interval for population size (N) in hypergeometric distribution.

Specific utilities for use in a knitr document.

Kolmogorov-Smirnov Tests.

Ratio of lagged observations.

Constructs length class/category variable.

Constructs the correction-factor used when back-transforming log-transformed values.

Constructs plots of predicted weights at given lengths among different groups.

Replace specified values in a vector or factor with new values.

Estimate natural mortality from a variety of empirical methods.

Estimate initial population size for single or multiple census mark-recapture data.

Jolly-Seber analysis from multiple mark-recapture events from an open population.

Associated S3 methods for nlsBoot from nlstools.

Adds model fits from nls iterations to active plot.

Determine if a number is odd or even.

Peek into (show a subset of) a data frame or matrix.

Computes the percentage of values in a vector less than or greater than (and equal to) some value.

Construct traditional (Campana-like) age-bias plots.

Plots a binary response variable versus a quantitative explanatory variable.

Confidence interval for Poisson counts.

Creates a vector of Gabelhouse lengths for each species in an entire data frame.

Compute confidence intervals for PSD-X and PSD X-Y values.

Convenience function for calculating PSD-X and PSD X-Y values.

Length-frequency histogram with Gabelhouse lengths highlighted.

Finds Gabelhouse lengths (for PSD calculations) for a species.

Extract the coefficient of determination from a linear model object.

Computes the prior to or reverse cumulative sum of a vector.

Population estimates for k-, 3-, or 2-pass removal data.

Find non-repeated consecutive rows in a data.frame.

Construct a residual plot from lm or nls objects.

Computes standard error of the mean.

Finds reasonable starting values for parameters in specific parameterizations of common stock-recruitment models.

Creates a function for a specific parameterization of a common stock-recruitment function .

Creates a one- or two-way table of summary statistics.

Construct a base tic-tac-toe plot for presenting predator-prey PSD values.

Finds the number of valid (non-NA) values in a vector.

Find reasonable starting values for a von Bertalanffy growth function.

Computes a vector of relative weights specific to a species in an entire data frame.

Finds standard weight equation coefficients for a particular species.