does lyeir show trend is seasonality of the time series graph does time series graph show seasonality are the time series seasonal does there have to be seasonality or trend in the attached time series graph? does graphing show seasonality does the time series show a trend is there a trend in the attached time series graph? is there seasonality or trend in the attached time series graph? is seasonality in the attached time series graph? can you see seasonality in a time series graph is there seasonality or trend in the attached time series graph? are time series graphs seasonal is there a trend in lye ir time series is seasonality a trend does lyeir represent seasonality is there a seasonality or trend in the attached time series? is lye ir a trend in a time series graph why does a time series have seasonality are the time series trend