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  2. Time series database - Wikipedia

    en.wikipedia.org/wiki/Time_series_database

    In many cases, the repositories of time-series data will utilize compression algorithms to manage the data efficiently. [ 3 ] [ 4 ] Although it is possible to store time-series data in many different database types, the design of these systems with time as a key index is distinctly different from relational databases which reduce discrete ...

  3. Orders of magnitude (mass) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(mass)

    The tonne (t) is an SI-compatible unit of mass equal to a megagram (Mg), or 10 3 kg. The unit is in common use for masses above about 10 3 kg and is often used with SI prefixes. For example, a gigagram ( Gg ) or 10 9 g is 10 3 tonnes, commonly called a kilotonne .

  4. Density - Wikipedia

    en.wikipedia.org/wiki/Density

    Densities using the following metric units all have exactly the same numerical value, one thousandth of the value in (kg/m 3). Liquid water has a density of about 1 kg/dm 3, making any of these SI units numerically convenient to use as most solids and liquids have densities between 0.1 and 20 kg/dm 3. kilogram per cubic decimetre (kg/dm 3)

  5. Unevenly spaced time series - Wikipedia

    en.wikipedia.org/wiki/Unevenly_spaced_time_series

    Ideally, unevenly spaced time series are analyzed in their unaltered form. However, most of the basic theory for time series analysis was developed at a time when limitations in computing resources favored an analysis of equally spaced data, since in this case efficient linear algebra routines can be used and many problems have an explicit ...

  6. Time series - Wikipedia

    en.wikipedia.org/wiki/Time_series

    Time series analysis comprises methods for analyzing time series data in order to extract meaningful statistics and other characteristics of the data. Time series forecasting is the use of a model to predict future values based on previously observed values.

  7. The Average Cost of Owning a Car Is Up Almost 50% Over ... - AOL

    www.aol.com/average-cost-owning-car-almost...

    It looks at both prices and the time it will take to pay off an average car. The average new car sold for $48,623 in October -- that's a lot of money, but Americans' average wages have gone up, too.

  8. Read the Transcript of Trump's Person of the Year Interview - AOL

    www.aol.com/read-transcript-trumps-person...

    Credit - Photograph by Platon for TIME P resident-elect Donald Trump, TIME’s 2024 Person of the Year , sat down for a wide-ranging interview at his Mar-a-Lago Club in Palm Beach, Fla., on Nov. 25.

  9. Time-series segmentation - Wikipedia

    en.wikipedia.org/wiki/Time-series_segmentation

    Time-series segmentation is a method of time-series analysis in which an input time-series is divided into a sequence of discrete segments in order to reveal the underlying properties of its source. A typical application of time-series segmentation is in speaker diarization , in which an audio signal is partitioned into several pieces according ...