Extract screen features
Meng Li
parent
5a32050295
commit
71e4ab3e5c
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@ -26,6 +26,9 @@ rule all:
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expand("data/processed/{pid}/battery_{day_segment}.csv",
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pid = config["PIDS"],
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day_segment = config["BATTERY"]["DAY_SEGMENTS"]),
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expand("data/processed/{pid}/screen_{day_segment}.csv",
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pid = config["PIDS"],
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day_segment = config["SCREEN"]["DAY_SEGMENTS"]),
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# Reports
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expand("reports/figures/{pid}/{sensor}_heatmap_rows.html", pid=config["PIDS"], sensor=config["SENSORS"]),
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expand("reports/figures/{pid}/compliance_heatmap.html", pid=config["PIDS"], sensor=config["SENSORS"]),
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@ -62,3 +62,8 @@ BATTERY:
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DAY_SEGMENTS: *day_segments
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METRICS: ["countdischarge", "sumdurationdischarge", "countcharge", "sumdurationcharge", "avgconsumptionrate", "maxconsumptionrate"]
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SCREEN:
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DAY_SEGMENTS: *day_segments
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METRICS_EVENT: ["counton", "countunlock"]
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METRICS_EPISODE: ["sumduration", "maxduration", "minduration", "avgduration", "stdduration"]
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EPISODES: ["unlock"]
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@ -73,3 +73,18 @@ rule battery_metrics:
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"data/processed/{pid}/battery_{day_segment}.csv"
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script:
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"../src/features/battery_metrics.py"
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rule screen_metrics:
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input:
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screen_events = "data/raw/{pid}/screen_with_datetime.csv",
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screen_deltas = "data/processed/{pid}/screen_deltas.csv"
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params:
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day_segment = "{day_segment}",
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metrics_event = config["SCREEN"]["METRICS_EVENT"],
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metrics_episode = config["SCREEN"]["METRICS_EPISODE"],
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episodes = config["SCREEN"]["EPISODES"]
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output:
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"data/processed/{pid}/screen_{day_segment}.csv"
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script:
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"../src/features/screen_metrics.py"
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@ -0,0 +1,83 @@
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import pandas as pd
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import numpy as np
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import datetime
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from datetime import datetime, timedelta, time
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from features_utils import splitOvernightEpisodes, splitMultiSegmentEpisodes
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def getEpisodeDurationFeatures(screen_deltas, episode, metrics):
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screen_deltas_episode = screen_deltas[screen_deltas["episode"] == episode]
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duration_helper = pd.DataFrame()
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if "sumduration" in metrics:
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duration_helper = pd.concat([duration_helper, screen_deltas_episode.groupby(["local_start_date"]).sum()[["time_diff"]].rename(columns = {"time_diff": "screen_" + day_segment + "_sumduration" + episode})], axis = 1)
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if "maxduration" in metrics:
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duration_helper = pd.concat([duration_helper, screen_deltas_episode.groupby(["local_start_date"]).max()[["time_diff"]].rename(columns = {"time_diff": "screen_" + day_segment + "_maxduration" + episode})], axis = 1)
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if "minduration" in metrics:
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duration_helper = pd.concat([duration_helper, screen_deltas_episode.groupby(["local_start_date"]).min()[["time_diff"]].rename(columns = {"time_diff": "screen_" + day_segment + "_minduration" + episode})], axis = 1)
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if "avgduration" in metrics:
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duration_helper = pd.concat([duration_helper, screen_deltas_episode.groupby(["local_start_date"]).mean()[["time_diff"]].rename(columns = {"time_diff":"screen_" + day_segment + "_avgduration" + episode})], axis = 1)
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if "stdduration" in metrics:
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duration_helper = pd.concat([duration_helper, screen_deltas_episode.groupby(["local_start_date"]).std()[["time_diff"]].rename(columns = {"time_diff":"screen_" + day_segment + "_stdduration" + episode})], axis = 1)
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duration_helper = duration_helper.fillna(0)
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return duration_helper
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def getEventFeatures(screen_data, metrics_event):
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# get count_helper
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screen_status = screen_data.groupby(["local_date", "screen_status"]).count()[["timestamp"]].reset_index()
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count_on = screen_status[screen_status["screen_status"] == 0].set_index("local_date")[["timestamp"]].rename(columns = {"timestamp": "count_on"})
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count_off = screen_status[screen_status["screen_status"] == 1].set_index("local_date")[["timestamp"]].rename(columns = {"timestamp": "count_off"})
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count_lock = screen_status[screen_status["screen_status"] == 2].set_index("local_date")[["timestamp"]].rename(columns = {"timestamp": "count_lock"})
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count_unlock = screen_status[screen_status["screen_status"] == 3].set_index("local_date")[["timestamp"]].rename(columns = {"timestamp": "count_unlock"})
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count_helper = pd.concat([count_on, count_off, count_lock, count_unlock], axis = 1)
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count_helper = count_helper.fillna(0).astype(np.int64)
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# count on-off; unlock-lock
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count_helper["diff_count_on_off"] = count_helper["count_on"] - count_helper["count_off"]
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count_helper["diff_count_unlock_lock"] = count_helper["count_unlock"] - count_helper["count_lock"]
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event_features = pd.DataFrame()
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if "counton" in metrics_event:
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event_features["screen_" + day_segment + "_counton"] = count_helper[["count_on", "count_off"]].max(axis=1)
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if "countunlock" in metrics_event:
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event_features["screen_" + day_segment + "_countunlock"] = count_helper[["count_lock", "count_unlock"]].max(axis=1)
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############################################################################################
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# check missing values
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event_features["screen_" + day_segment + "_diffcountonoff"] = count_helper["diff_count_on_off"]
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event_features["screen_" + day_segment + "_diffcountunlocklock"] = count_helper["diff_count_unlock_lock"]
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############################################################################################
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return event_features
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screen_data = pd.read_csv(snakemake.input["screen_events"], parse_dates=["local_date_time", "local_date"])
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screen_deltas = pd.read_csv(snakemake.input["screen_deltas"], parse_dates=["local_start_date_time", "local_end_date_time", "local_start_date", "local_end_date"])
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day_segment = snakemake.params["day_segment"]
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metrics_event = snakemake.params["metrics_event"]
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metrics_episode = snakemake.params["metrics_episode"]
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episodes = snakemake.params["episodes"]
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if screen_data.empty:
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metrics_episode_name = ["".join(metric) for metric in itertools.product(metrics_episode,episodes)]
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screen_features = pd.DataFrame(columns=["local_date"]+["screen_" + day_segment + "_" + x for x in metrics_event + metrics_episode_name])
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else:
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# drop consecutive duplicates of screen_status keeping the last one
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screen_data = screen_data.loc[(screen_data[["screen_status"]].shift(-1) != screen_data[["screen_status"]]).any(axis=1)].reset_index(drop=True)
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# preprocess day_segment and episodes
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screen_deltas = splitOvernightEpisodes(screen_deltas, [], ["episode"])
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if day_segment != "daily":
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screen_data = screen_data[screen_data["local_day_segment"] == day_segment]
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screen_deltas = splitMultiSegmentEpisodes(screen_deltas, day_segment, [])
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screen_deltas.set_index(["local_start_date"],inplace=True)
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# extract features for events and episodes
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event_features = getEventFeatures(screen_data, metrics_event)
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duration_features = pd.DataFrame()
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for episode in episodes:
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duration_features = pd.concat([duration_features, getEpisodeDurationFeatures(screen_deltas, episode, metrics_episode)], axis=1)
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screen_features = pd.concat([event_features, duration_features], axis = 1).fillna(0)
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screen_features.reset_index(inplace=True)
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screen_features.to_csv(snakemake.output[0], index=False)
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