when using hgb data do we tagging the measurements time series of hgb results how do you test myelodysplastic why use a time series why do we have lagged time series how to find trend of time series how do I analyze hgb changes why do we use time series instead of time series how do you tagging hgb what is the appropriate time series for a hgb test why hgb test is lagged how to analyze hgb why use a time series in a patient is a time series a covariate how many times should you do the same hgb test in each year what is the correct way to measure a patient's hgb over a long period of time? how to use lagged time series is time series accurate time series for predicting myelodysplastic syndrome hgb time series