weights definition for time series weights for time series weights to a time series in lm how to forecast using weights weight of data definition how to forecast a time series with weights how to predict a time series with weights? how to use lm.weights weights definition for lm weight formula for time period weights in time series weight function in a time series how to forecast a time series lm weight functions in statistics weight lm weight distribution sigmoidal how to calculate weights in a data set how to forecast time series weight distribution lm formula weight function