45 lines
2.2 KiB
R
45 lines
2.2 KiB
R
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source("packrat/init.R")
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library("tidyverse")
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screen <- read.csv(snakemake@input[[1]])
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if(nrow(screen) > 0){
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unlock_episodes <-
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screen %>%
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# in iOS there are unlock (3) events on the same second, discard them
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distinct(screen_status, utc_date_time, .keep_all = TRUE) %>%
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# in Android we discard on and off events (0,1) for now (iOS does not collect them)
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filter(screen_status == 2 | screen_status == 3) %>%
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# create groups of consecutive unlock/lock (3/2) events
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mutate(screen_episode = cumsum(c(1, head(screen_status, -1) == 2 & tail(screen_status, -1) == 3))) %>%
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group_by(screen_episode) %>%
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# in Android there are multiple consecutive unlock/lock events so we keep the closest pair
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# this happens because ACTION_SCREEN_OFF and ON are "sent when the device becomes non-interactive
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# which may have nothing to do with the screen turning off" see:
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# https://developer.android.com/reference/android/content/Intent.html#ACTION_SCREEN_OFF
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filter((screen_status == 2 & screen_status != lag(screen_status, default="1")) |
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(screen_status == 3 & screen_status != lead(screen_status, default="1"))) %>%
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filter(n() == 2) %>%
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summarize(episode = "unlock",
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time_diff = (last(timestamp) - first(timestamp)) / (1000 * 60),
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local_start_date_time = first(local_date_time),
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local_end_date_time = last(local_date_time),
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local_start_date = first(local_date),
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local_end_date = last(local_date),
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local_start_day_segment = first(local_day_segment),
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local_end_day_segment = last(local_day_segment)) %>%
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select(-screen_episode)
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} else {
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unlock_episodes <- data.frame(episode = character(),
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time_diff = numeric(),
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local_start_date_time = character(),
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local_end_date_time = character(),
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local_start_date = character(),
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local_end_date = character(),
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local_start_day_segment = character(),
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local_end_day_segment = character())
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}
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write.csv(unlock_episodes, snakemake@output[[1]], row.names = FALSE)
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