public static EWMA oneMinuteEWMA(){
  return new EWMA(M1_ALPHA,5,TimeUnit.SECONDS);
}

public static EWMA oneMinuteEWMA ( ) { return new EWMA ( M1_ALPHA , 5 , TimeUnit . SECONDS ) ; }
creates a new ewma which is equivalent to the unix one minute load average and which expects to be ticked every 5 seconds .
