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          Time-Spatial Database

          Aggregator

          Avg

          Name Instruction Support type
          Avg Average value, the result of the average value for each sampling time range Number

          Request Parameters

          Parameter name Parameter type Required Instruction
          sampling String Optional The length of sampling time, such as "10 minutes", if not enter, is the entire query time range

          Dev

          Name Instruction Support type
          Dev The standard deviation is the result of the standard deviation of the value in each sampling time range Number

          Request Parameters

          Parameter name Parameter type Required Instruction
          sampling String Optional The length of sampling time, such as "10 minutes", if not enter, is the entire query time range

          Count

          Name Instruction Support type
          Count The number is the result of the number of points within each sampling time range Number/String

          Request Parameters

          Parameter name Parameter type Required Instruction
          sampling String Optional The length of sampling time, such as "10 minutes", if not enter, is the entire query time range

          First

          Name Instruction Support type
          First The first is the result of the first value in each sampling time range Number/String

          Request Parameters

          Parameter name Parameter type Required Instruction
          sampling String Optional The length of sampling time, such as "10 minutes", if not enter, is the entire query time range

          Last

          Name Instruction Support type
          Last The last is the result of the last value in each sampling time range Number/String

          Request Parameters

          Parameter name Parameter type Required Instruction
          sampling String Optional The length of sampling time, such as "10 minutes", if not enter, is the entire query time range

          LeastSquares

          Name Instruction Support type
          LeastSquares The least square method is used to fit the value in each sampling time range Number

          Request Parameters

          Parameter name Parameter type Required Instruction
          sampling String Optional The length of sampling time, such as "10 minutes", if not enter, is the entire query time range

          Max

          Name Instruction Support type
          Max The Maximum is the result of the maximum value for each sampling time range Number

          Request Parameters

          Parameter name Parameter type Required Instruction
          sampling String Optional The length of sampling time, such as "10 minutes", if not enter, is the entire query time range

          Min

          Name Instruction Support type
          Min The Minimum is the result of the minimum value for each sampling time range Number

          Request Parameters

          Parameter name Parameter type Required Instruction
          sampling String Optional The length of sampling time, such as "10 minutes", if not enter, is the entire query time range

          Percentile

          Name Instruction Support type
          Percentile The Percentile is the result of the p-th (see request parameter percentile) value for each sampling time range Number

          Request Parameters

          Parameter name Parameter type Required Instruction
          sampling String Optional The length of sampling time, such as "10 minutes", if not enter, is the entire query time range
          percentile Double Required Percentage's value range is (0, 1], for example, 0.1 means 10%

          Sum

          Name Instruction Support type
          Sum The Sum is the result of all the values for each sampling time range Number

          Request Parameters

          Parameter name Parameter type Required Instruction
          sampling String Optional The length of sampling time, such as "10 minutes", if not enter, is the entire query time range

          Diff

          Name Instruction Support type
          Diff The Diff is the result of the difference of two adjacent value for each sampling time range Number

          Div

          Name Instruction Support type
          Div The result comes from each value divided by a divisor (see the divisor of request parameters) Number

          Request Parameters

          Parameter name Parameter type Required Instruction
          divisor Double Required The divisor cannot be 0

          Scale

          Name Instruction Support type
          Scale The result comes from each value multi a factor (see the factor of request parameters) Number

          Request Parameters

          Parameter name Parameter type Required Instruction
          factor Double Required factor

          Rate

          Name Instruction Support type
          Rate The rate comes from the rate per unit time (see parameter timeUnit) for every two adjacent values Number

          Request Parameters

          Parameter name Parameter type Required Instruction
          timeUnit String Required Units

          AdjacentUnique

          Name Instruction Support type
          AdjacentUnique Adjacent values are deduplicated, only the first value is reserved for the same value, and non-adjacent values are not deduplicated. For example, the result of “1, 1, 2, 2, 2, 1, 1, 3” after deduplication is “1, 2, 1, 3” Number/String/Bytes
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