reprocows {mhsmm} | R Documentation |
This data set contains hourly observations on progesterone and an activity index at hourly intervals since calving on seven dairy reprocows.
reprocows
reprocows
is a data frame containing 13040 rows.
id
is the cow ID, progesterone
is a measurement of the hormone in ng/L taken from a milk sample, activity is a relative measure of activity calculated from a pedometer.
There are a large number of missing values as progesterone is measured only at milking time (and at a farm manager's discretion). Missing values in activity occur due to hardware problems can occur with pedometers.
Danish Cattle Research Centre
Peters, A. and Ball, P. (1995), "Reproduction in Cattle," 2nd ed.