Wavelet analysis; significance levels; confidence intervals; Time series. Time series: random data plus trend, with best-fit line and different applied filters A time series is a sequence of data points, measured typically at successive points in time spaced at uniform time intervals.
Examples of time series are the daily closing value of the Dow Jones Industrial Average and the annual flow volume of the Nile River at Aswan. Time series are very frequently plotted via line charts. Time series are used in statistics, signal processing, pattern recognition, econometrics, mathematical finance, weather forecasting, earthquake prediction, electroencephalography, control engineering, astronomy, and communications engineering . Time series data have a natural temporal ordering. 14.384 Time Series Analysis, Fall 2002.