check_multispp          Utility function to stop calculations if only
                        one species occurs in at least one replicate
check_names             check names of data frames
check_numeric           Utility to check for numeric abundance and time
                        variables
check_single            Utility function to ensure only a single record
                        exists for a given species within one
                        replicate, for one time point.
check_single_onerep     Utility function to warn users that either
                        multiple records exist within replicates, or
                        that data may be spanning mutiple replicates
                        but no replicate.var has been specified
check_sppvar            Utility function to stop calculations if the
                        species never change in a replicate
codyn                   Community Dynamics Metrics
collins08               Konza data from Collins et al. 2008
community_stability     Community Stability
confint.cyclic_shift    Confidence Intervals from a Cyclic Shift
                        Permutation
cyclic_shift            Cyclic Shift Permutations
cyclic_shift_onerep     A function to calculate a non-S3 cyclic shift
                        on one replicate
df_intersect            Create intersected data frames
knz_001d                Data from Konza Prairie, watershed 001d
lag_i                   Get lagged values from a distance matrix Get
                        lagged values from distance matrix at value i
lagged_distances        Get lagged distances for a single replicate
lagged_slope            Get slope Returns the slope of community change
                        within one replicate.
mean_rank_shift         Mean Rank Shifts
rank_onerep             Function for calculating mean rank shifts
rank_shift              Mean Rank Shifts
rate_change             Rate of community change over successive time
                        intervals
rate_change_interval    Differences in community composition over
                        successive time lag intervals
shuffle_community       A function to generate a community dataframe
                        with a random start time for each species
stability_onerep        A function to calculate species synchrony over
                        time within one replicate
synch_onerep            A function to calculate species synchrony over
                        time within one replicate
synchrony               Species synchrony
transpose_community     Convert from a longform abundance dataframe to
                        a time by species dataframe.
turnover                Species Turnover
turnover_allyears       A function to calculate species turnover
                        between years
turnover_twoyears       A function to calculate species turnover
                        between two years
variance_ratio          Variance Ratio
variance_ratio_longformdata
                        A function to calculate the variance ratio from
                        a longform dataframe
variance_ratio_matrixdata
                        A function to calculate the variance ratio
