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    Google API Common Protos Client - Class Distribution (4.9.0)

    Reference documentation and code samples for the Google API Common Protos Client class Distribution.

    Distribution contains summary statistics for a population of values. It optionally contains a histogram representing the distribution of those values across a set of buckets.

    The summary statistics are the count, mean, sum of the squared deviation from the mean, the minimum, and the maximum of the set of population of values. The histogram is based on a sequence of buckets and gives a count of values that fall into each bucket. The boundaries of the buckets are given either explicitly or by formulas for buckets of fixed or exponentially increasing widths. Although it is not forbidden, it is generally a bad idea to include non-finite values (infinities or NaNs) in the population of values, as this will render the mean and sum_of_squared_deviation fields meaningless.

    Generated from protobuf message google.api.Distribution

    Namespace

    Google \ Api

    Methods

    __construct

    Constructor.

    Parameters
    Name
    Description
    data
    array

    Optional. Data for populating the Message object.

    ↳ count
    int|string

    The number of values in the population. Must be non-negative. This value must equal the sum of the values in bucket_counts if a histogram is provided.

    ↳ mean
    float

    The arithmetic mean of the values in the population. If count is zero then this field must be zero.

    ↳ sum_of_squared_deviation
    float

    The sum of squared deviations from the mean of the values in the population. For values x_i this is: Sum[i=1..n]((x_i - mean)^2) Knuth, "The Art of Computer Programming", Vol. 2, page 232, 3rd edition describes Welford's method for accumulating this sum in one pass. If count is zero then this field must be zero.

    ↳ range
    Distribution\Range

    If specified, contains the range of the population values. The field must not be present if the count is zero.

    ↳ bucket_options
    Distribution\BucketOptions

    Defines the histogram bucket boundaries. If the distribution does not contain a histogram, then omit this field.

    ↳ bucket_counts
    array

    The number of values in each bucket of the histogram, as described in bucket_options . If the distribution does not have a histogram, then omit this field. If there is a histogram, then the sum of the values in bucket_counts must equal the value in the count field of the distribution. If present, bucket_counts should contain N values, where N is the number of buckets specified in bucket_options . If you supply fewer than N values, the remaining values are assumed to be 0. The order of the values in bucket_counts follows the bucket numbering schemes described for the three bucket types. The first value must be the count for the underflow bucket (number 0). The next N-2 values are the counts for the finite buckets (number 1 through N-2). The N'th value in bucket_counts is the count for the overflow bucket (number N-1).

    ↳ exemplars
    array< Distribution\Exemplar >

    Must be in increasing order of value field.

    getCount

    The number of values in the population. Must be non-negative. This value must equal the sum of the values in bucket_counts if a histogram is provided.

    Returns
    Type
    Description
    int|string

    setCount

    The number of values in the population. Must be non-negative. This value must equal the sum of the values in bucket_counts if a histogram is provided.

    Parameter
    Name
    Description
    var
    int|string
    Returns
    Type
    Description
    $this

    getMean

    The arithmetic mean of the values in the population. If count is zero then this field must be zero.

    Returns
    Type
    Description
    float

    setMean

    The arithmetic mean of the values in the population. If count is zero then this field must be zero.

    Parameter
    Name
    Description
    var
    float
    Returns
    Type
    Description
    $this

    getSumOfSquaredDeviation

    The sum of squared deviations from the mean of the values in the population. For values x_i this is: Sum[i=1..n]((x_i - mean)^2) Knuth, "The Art of Computer Programming", Vol. 2, page 232, 3rd edition describes Welford's method for accumulating this sum in one pass.

    If count is zero then this field must be zero.

    Returns
    Type
    Description
    float

    setSumOfSquaredDeviation

    The sum of squared deviations from the mean of the values in the population. For values x_i this is: Sum[i=1..n]((x_i - mean)^2) Knuth, "The Art of Computer Programming", Vol. 2, page 232, 3rd edition describes Welford's method for accumulating this sum in one pass.

    If count is zero then this field must be zero.

    Parameter
    Name
    Description
    var
    float
    Returns
    Type
    Description
    $this

    getRange

    If specified, contains the range of the population values. The field must not be present if the count is zero.

    Returns
    Type
    Description
    Distribution\Range |null

    hasRange

    clearRange

    setRange

    If specified, contains the range of the population values. The field must not be present if the count is zero.

    Parameter
    Name
    Description
    var
    Distribution\Range
    Returns
    Type
    Description
    $this

    getBucketOptions

    Defines the histogram bucket boundaries. If the distribution does not contain a histogram, then omit this field.

    Returns
    Type
    Description
    Distribution\BucketOptions |null

    hasBucketOptions

    clearBucketOptions

    setBucketOptions

    Defines the histogram bucket boundaries. If the distribution does not contain a histogram, then omit this field.

    Parameter
    Name
    Description
    var
    Distribution\BucketOptions
    Returns
    Type
    Description
    $this

    getBucketCounts

    The number of values in each bucket of the histogram, as described in bucket_options . If the distribution does not have a histogram, then omit this field. If there is a histogram, then the sum of the values in bucket_counts must equal the value in the count field of the distribution.

    If present, bucket_counts should contain N values, where N is the number of buckets specified in bucket_options . If you supply fewer than N values, the remaining values are assumed to be 0. The order of the values in bucket_counts follows the bucket numbering schemes described for the three bucket types. The first value must be the count for the underflow bucket (number 0). The next N-2 values are the counts for the finite buckets (number 1 through N-2). The N'th value in bucket_counts is the count for the overflow bucket (number N-1).

    Returns
    Type
    Description
    Google\Protobuf\Internal\RepeatedField

    setBucketCounts

    The number of values in each bucket of the histogram, as described in bucket_options . If the distribution does not have a histogram, then omit this field. If there is a histogram, then the sum of the values in bucket_counts must equal the value in the count field of the distribution.

    If present, bucket_counts should contain N values, where N is the number of buckets specified in bucket_options . If you supply fewer than N values, the remaining values are assumed to be 0. The order of the values in bucket_counts follows the bucket numbering schemes described for the three bucket types. The first value must be the count for the underflow bucket (number 0). The next N-2 values are the counts for the finite buckets (number 1 through N-2). The N'th value in bucket_counts is the count for the overflow bucket (number N-1).

    Parameter
    Name
    Description
    var
    int[]|string[]| Google\Protobuf\Internal\RepeatedField
    Returns
    Type
    Description
    $this

    getExemplars

    Must be in increasing order of value field.

    Returns
    Type
    Description
    Google\Protobuf\Internal\RepeatedField

    setExemplars

    Must be in increasing order of value field.

    Parameter
    Name
    Description
    var
    array< Distribution\Exemplar >
    Returns
    Type
    Description
    $this
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