train.data: Training data from Procter et al (2018)

In dprocter/modeid: modeid: Identification of travel modes from GPS and accelerometry data

Description

The training dataset created in Procter et al (2018), minus identifiable information.

Usage

train.data

Format

A data frame containing 98387 rows and 35 variables

id

A marker distinguishing different participants

day

Day of the week

date.time

date and time variable

ax1.mad.4min

median amplitude deviation of the horizontal axis of the accelerometer within 4 minutes

ax1.c90.4min

90th centile of the horizontal axis of the accelerometer within 4 minutes

ax1.c10.4min

10th centile of the horizontal axis of the accelerometer within 4 minutes

ax1.skew.4min

skewness of the horizontal axis of the accelerometer within 4 minutes

ax1.kurt.4min

kurtosis of the horizontal axis of the accelerometer within 4 minutes

ax2.mad.4min

median amplitude deviation of the vertical axis of the accelerometer within 4 minutes

ax2.c90.4min

90th centile of the vertical axis of the accelerometer within 4 minutes

ax2.c10.4min

10th centile of the vertical axis of the accelerometer within 4 minutes

ax2.skew.4min

skewness of the vertical axis of the accelerometer within 4 minutes

ax2.kurt.4min

kurtosis of the vertical axis of the accelerometer within 4 minutes

ax3.mad.4min

median amplitude deviation of the perpendicular axis of the accelerometer within 4 minutes

ax3.c90.4min

90th centile of the perpendicular axis of the accelerometer within 4 minutes

ax3.c10.4min

10th centile of the perpendicular axis of the accelerometer within 4 minutes

ax3.skew.4min

skewness of the perpendicular axis of the accelerometer within 4 minutes

ax3.kurt.4min

kurtosis of the perpendicular axis of the accelerometer within 4 minutes

ax1.fft.4min

mean strength of the fast fourier transform signal for the horizontal axis of the accelerometer within 4 minutes

ax2.fft.4min

mean strength of the fast fourier transform signal for the vertical axis of the accelerometer within 4 minutes

ax3.fft.4min

mean strength of the fast fourier transform signal for the perpendicular axis of the accelerometer within 4 minutes

spd.mean.4min

mean speed within 4 minutes (kph)

spd.sd.4min

standard deviation of speed within 4 minutes (kph)

spd.c10.4min

10th centile of speed within 4 minutes (kph)

spd.c90.4min

90th centile of speed within 4 minutes (kph)

sumsnr.4min

mean sum of the signal to noise ratio within 4 minutes (kph)

spd.mean.4min

mean speed within 4 minutes

near.train.4min

mean distance to a train line within 4 minutes (m)

dist.next.4min

mean distance moved over the next miute within 4 minutes (m)

dist.last.4min

mean distance moved over the last minute within 4 minutes (m)

abs.acc.mean.4min

mean absolute acceleration (from GPS) within 4 minutes

acc.sd.4min

standard deviation of acceleration (fromGPS) within 4 minutes (kph)

lowsp.prop.4min

mean proportion of points under 2kph within 4 minutes

true.mode

true travel mode of the point (5 travel modes)

cv.marker

marker used for cross-validation

true.mode.bus

true travel mode of the point including buses (6 travel modes)

Examples

data(train.data)
summary(train.data)

dprocter/modeid documentation built on May 19, 2019, 8:21 a.m.