what is the average lag for calendar days when to create a dummy variable for a calendar day which r variable is the lag effect of calendar day why do i need a lag variable in time series how to find lead and lag effects __________________ is the lag effect of holidays how to account for lags how can I determine a lead-lag variable how do you account for leads in a timeseries which variables are responsible for the lead lag effect? when to use dummy variables for holidays do holidays affect leads what is the lead and lag what is lag and lead what is the lead lag in a time period what variables should be used to account for lead and lag what type of variables can account for lead and lag on a specific day how many days of interest are affected by different holidays? what is the lag & lead in a time series how do i account for lag on days