## ---- include = FALSE--------------------------------------------------------- knitr::opts_chunk$set( collapse = TRUE, comment = "#>" ) ## ----setup-------------------------------------------------------------------- library(telemetR) ## ---- load some data from the package, echo=TRUE------------------------------ fish <- telemetR::fish receivers <- telemetR::receivers detects <- telemetR::filtered_detections ## ---- format the data to make it easier to use the package, echo = TRUE------- local_tz <- "America/Los_Angeles" fish <- format_org(fish, var_Id = "TagCode", var_release = "Release_Date", var_tag_life = "TagLife", var_ping_rate = "PRI", local_time_zone = local_tz, time_format = "%Y-%m-%d %H:%M:%S") receivers <- format_receivers(receivers, var_receiver_serial = "receiver_serial_number", var_receiver_make = "receiver_make", var_receiver_deploy = "receiver_start", var_receiver_retrieve = "receiver_end", local_time_zone = local_tz, time_format = "%m/%d/%Y %H:%M:%S") detects <- format_detects(detects, var_Id = "Tag_Code", var_datetime_local = "DateTime_Local", var_receiver_serial = "ReceiverSN", local_time_zone = local_tz, time_format = "%Y-%m-%d %H:%M:%S") ## ---- Begin the blanking period analysis, echo = TRUE------------------------- # Build a new df which uses a range of blanking times to reprocess the original # detection data (this is a slow process, especially for large datasets or # large sequences of n) blanked <- blanking_event(detects, #Each general location is distinct enough to be a site var_site = "receiver_general_location", #Group the data by species, run, and origin (optional) var_groups = "fish_type", var_Id = "Tag_Code", var_datetime = "DateTime_Local", var_ping_rate = "tag_pulse_rate_interval_nominal", n_val = seq(1,1000,5), #Pulse rates for these tags are in seconds time_unit = "secs" ) head(blanked) ## ---- Compare the results of the blanking analysis to a set of times, echo = TRUE---- # This function compares the durations of the events created above. The function # collects all the events for each given blanking period and compares each # event duration to a sequence of given times. It then calculates the proportion # of events which are longer than each given time for each blanking period for # each organism group compared <- duration_compare(blanked, var_groups = "fish_type", time_seq = seq(1,10000,10)) head(compared) ## ----plot the proportion of events with durations greater than t, echo = TRUE---- residence_plot(compared, var_groups = "fish_type", time_unit = "secs") ## ---- echo = TRUE------------------------------------------------------------- # NOTE: The curves last longer than the longest time! This should indicate we # should add more times to test, and may need shorter intervals of n. ## ----next calculate the renormalized sum of squares, echo = TRUE-------------- # Renormalized Sum of Squares rSSR <- renorm_SSR(compared, var_groups = "fish_type") head(rSSR) ## ----next calculate the convergence thresholds, echo = TRUE------------------- # Thresholds for 99% and 99.5% of total range thresh <- telemetR::conv_thresholds(rSSR, var_groups = "fish_type", thresh_levels = c(0.01,0.005)) ## ----finally determine optimum mbps and plot rSSR results, echo = TRUE-------- optimums <- opt_mbp(rSSR, thresh) rSSR_plot(rSSR, optimums, var_groups = "fish_type") # Note: This would be a bad choice of maximum blanking period. We have not yet # reached convergence