when to use a time period to test a prediction how do you choose the timeframe for a prediction to be tested, e.g. when x goes up or down how do we choose a time period for a prediction? how to choose the time frame for a prediction to be tested how do you choose the timeframe for a prediction to be tested when do time frames change during a study? why use the timeframe of prediction what is the timescale for predicting why do we use time frame analysis how does predictivity vary when do you test a prediction using a timeframe how do we choose the time period for a prediction to be tested? how does the time frame of a predictive time series differ? when to use the time period of an analysis why can't you determine the time period in a time series when a time frame for predicting a period change is a timeframe when to use time series when predicting time how to test for predicting time which is a better timeframe for time series time analysis when a period of time is equal