Methods to Create Hierarchical Age Length Keys for Age Assignment

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Documentation for package ‘halk’ version 0.0.5

• DESCRIPTION file.
• User guides, package vignettes and other documentation.

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add_spp_level	Check for species in columns and/or levels and add to levels if present
adjust_ages	Adjusts data to account for plus group or minimum age
adjust_plus_min_ages	Adjusts data to account for plus group or minimum age
adjust_plus_min_ages_df	Adjusts data to account for plus group or minimum age
ages_as_integer	Convert ages from/to ordered factor
ages_as_ordered	Convert ages from/to ordered factor
ages_as_ordered_factor	Convert ages from/to ordered factor
assign_ages	Assign ages to non-aged data based on a fitted age model
assign_alk_attributes	Assign associated age-length key attributes to a data.frame
assign_na_age	Simple function that returns NA values
bin_lengths	Convert a vector of lengths into binned values
calc_chi_score	Compute test statistics for comparing actual and estimated ages
calc_ks_score	Compute test statistics for comparing actual and estimated ages
calc_mse	Calculate mean-squared-error (MSE) and root mean-squared-error (RMSE) of estimated ages
calc_mse_	Backend helper function to compute MSE or RMSE
calc_rmse	Calculate mean-squared-error (MSE) and root mean-squared-error (RMSE) of estimated ages
calc_stat_scores	Compute test statistics for comparing actual and estimated ages
check_agelen_data	Check for age/length data in the data being estimated or predicted
check_age_data	Check for age/length data in the data being estimated or predicted
check_length_data	Check for age/length data in the data being estimated or predicted
check_model_type	Check the model type and return standardized version
integral_quotient	Compute the quotient of integrals as a measure of percent error between two curves
is_spp_in_data	Check for species in columns and/or levels and add to levels if present
is_spp_in_levels	Check for species in columns and/or levels and add to levels if present
laa_data	Example length-at-age data
laa_data_few_ages	Example length-at-age data
laa_data_low_age_n	Example length-at-age data
laa_data_low_n	Example length-at-age data
length_data	Example length data
make_alk	Make an age-length key out of length-at-age data
make_halk	Create a hierarchical age-length key (HALK)
min_age_groups	Count number of length-at-age samples or age groups at each level and return those with greater than equal to the minimum desired number
min_count_laa_data	Count number of length-at-age samples or age groups at each level and return those with greater than equal to the minimum desired number
min_samples	Count number of length-at-age samples or age groups at each level and return those with greater than equal to the minimum desired number
rename_laa_cols	Simple helper function to rename size and age column names to age and length
rm_spp_level	Check for species in columns and/or levels and add to levels if present
spp_data	Example length-at-age data
spp_data_few_ages	Example length-at-age data
spp_data_low_age_n	Example length-at-age data
spp_data_low_n	Example length-at-age data
spp_length_data	Example length data
spp_level	Check for species in columns and/or levels and add to levels if present
spp_levels	Check for species in columns and/or levels and add to levels if present
wb_spp_data	Separate species, county, waterbody example length-at-age and length data
wb_spp_laa_data	Separate species, county, waterbody example length-at-age and length data
wb_spp_length_data	Separate species, county, waterbody example length-at-age and length data