Fill a time series with NAs. in: a dataframe and a timestamp vector. out: a dataframe.

mf_fillna(data, timestamps, informat, dtin, dtout = dtin, starttime, ndays,
    outformat = informat, agg.function = expression(mean), digits)

Arguments

data	dataframe
timestamps	can be character
informat	format of input timestamps
dtin	time interval in timestamps
dtout	time interval in output file
starttime	starttime in the output data. the same format as 'informat'
ndays	how many days in the output data
outformat	format of output timestamps

a dataframe