View source: R/compare_classifications.R
compare_classifications | R Documentation |
this function takes multiple classifications of the same data and compares the agreement between each, on a timepoint level.
compare_classifications(date, classifications)
date |
datetime in POSIXCT format. See hoopoe$activity$date for example |
classifications |
a dataframe containing the results from different classifications in each column. The classifications must correspond to the same datetimes. |
a dataframe containing date
the raw classifications
each state with the number of times it was used in a classification
whether or not all classes provided the same state
## Not run: # Import data data(hoopoe) start = as.POSIXct("2016-07-01","%Y-%m-%d", tz="UTC") end = as.POSIXct("2017-06-01","%Y-%m-%d", tz="UTC") PAM_data= create_crop(hoopoe,start,end) # perform one classification using classifyFLAP classification = classify_flap(dta = PAM_data$acceleration, period = 12) # Put the classification in the same resolution as pressure class1 = create_merged_classification(from = classification$timetable$start, to = classification$timetable$end, # because the timetable only contains migration periods classification = rep_len(1,length(classification$timetable$end)), add_to = PAM_data$pressure) # Convert to categories class1 = ifelse(class1 == classification$migration, "Migration", "Other") # Perform another classification using pressure difference class2 = c(0,ifelse(abs(diff(PAM_data$pressure$obs))>2, "Migration", "Other")) # both classes have been converted to the same time intervals as pressure, date = PAM_data$pressure$date # Combine the classifications into a dataframe classifications = data.frame(flap = class1, # flapping classification Pdiff = class2) # pressure difference classification class_comparison = compare_classifications(date=date, classifications=classifications) plot(PAM_data$pressure$date, PAM_data$pressure$obs, type = "l", xlab = "Date", ylab = "Pressure (hPa)", col = "royalblue3") points(PAM_data$pressure$date, PAM_data$pressure$obs, cex = class_comparison$Migration / 2, col ="orange", pch = 16) ## End(Not run)
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