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Classes Class |
Methods for operating with categorical data.
Inheritance HierarchySystemObject
Accord.StatisticsClasses
Accord.StatisticsClasses
Namespace: Accord.Statistics
Assembly: Accord.Math (in Accord.Math.dll) Version: 3.8.0
SyntaxThe Classes type exposes the following members.
Methods| Name | Description | |
|---|---|---|
  | Decide(Double) |
Hyperplane decision function. Return true if distance
is higher than zero, and false otherwise.
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| Decide(Double) |
Hyperplane decision function. Return true if distance
is higher than zero, and false otherwise.
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| Decide(Double) |
Hyperplane decision function. Return true if distance
is higher than zero, and false otherwise.
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| Decide(Int32) |
Hyperplane decision function. Return true if distance
is higher than zero, and false otherwise.
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| Decide(Int32) |
Hyperplane decision function. Return true if distance
is higher than zero, and false otherwise.
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| Decide(Int32) |
Hyperplane decision function. Return true if distance
is higher than zero, and false otherwise.
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| Expand(Int32, Int32, Int32) |
Extends a grouped data into a full observation matrix.
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| Expand(Int32, Int32, Int32, Int32) |
Expands a grouped data into a full observation matrix.
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| GetRatio(Int32, Int32) |
Calculates the prevalence of a class for each variable.
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| GetRatio(Boolean, Int32, Int32) |
Gets the percentage of positive samples in a set of class labels.
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| GetRatio(Int32, Int32, Int32) |
Gets the percentage of positive samples in a set of class labels.
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| GetRatio(Int32, Int32, Int32) |
Calculates the prevalence of a class.
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| IsBinary |
Determines whether the class labels contains only (-1 and +1) or (0 and +1).
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| IsMinusOnePlusOne |
Determines whether the class labels contains only -1 and +1.
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| IsMulticlass |
Determines whether the class labels contains one true value per sample.
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| IsMultilabel |
Determines whether the class labels contains one true value per sample.
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| IsZeroOne |
Determines whether the class labels contains only zero and ones.
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 | Random(Int32, Double) |
Returns a random group assignment for a sample
into two mutually exclusive groups.
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| Random(Int32, Double) |
Returns a random group assignment for a sample.
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| Random(Int32, Int32) |
Returns a random group assignment for a sample.
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| Random(Int32, Double) |
Returns a random group assignment for a sample, making
sure different class labels are distributed evenly among
the groups.
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| Random(Int32, Int32) |
Returns a random group assignment for a sample, making
sure different class labels are distributed evenly among
the groups.
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| Random(Int32, Int32, Int32) |
Returns a random group assignment for a sample, making
sure different class labels are distributed evenly among
the groups.
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| SeparateT(T, Int32) |
Divides values into groups given a vector
containing the group labels for every value.
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| SeparateT(T, Int32, Int32) |
Divides values into groups given a vector
containing the group labels for every value.
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| Summarize |
Groups the occurrences contained in data matrix of binary (dichotomous) data.
This operation can be reversed using the Expand(Int32, Int32, Int32, Int32) method.
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| ToMinusOnePlusOne(Boolean) |
Converts a boolean variable into a -1 or +1 representation (-1 is false, +1 is true).
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| ToMinusOnePlusOne(Boolean) |
Converts boolean variables into a -1 or +1 representation (-1 is false, +1 is true).
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| ToMinusOnePlusOne(Boolean) |
Converts boolean variables into a -1 or +1 representation (-1 is false, +1 is true).
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| ToMinusOnePlusOne(Double) |
Converts a boolean variable into a -1 or +1 representation (-1 is false, +1 is true).
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| ToMinusOnePlusOne(Double) |
Converts boolean variables into a -1 or +1 representation (-1 is false, +1 is true).
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| ToMinusOnePlusOne(Int32) |
Converts a boolean variable into a -1 or +1 representation (-1 is false, +1 is true).
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| ToMinusOnePlusOne(Int32) |
Converts boolean variables into a -1 or +1 representation (-1 is false, +1 is true).
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| ToMinusOnePlusOneT(Boolean) |
Converts boolean variables into a -1 or +1 representation (-1 is false, +1 is true).
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| ToMulticlass(Double) |
Converts double variables into class labels, starting at zero.
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| ToMulticlass(Int32) |
Converts double variables into class labels, starting at zero.
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| ToMulticlass(Double, Int32) |
Converts double variables into class labels, starting at zero.
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| ToMulticlass(Int32, Int32) |
Converts double variables into class labels, starting at zero.
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| ToZeroOne(Boolean) |
Converts a boolean variable into a 0-or-1 representation (0 is false, 1 is true).
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| ToZeroOne(Boolean) |
Converts boolean variables into a 0-or-1 representation (0 is false, 1 is true).
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| ToZeroOne(Double) |
Converts a boolean variable into a 0-or-1 representation (0 is false, 1 is true).
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| ToZeroOne(Double) |
Converts boolean variables into a 0-or-1 representation (0 is false, 1 is true).
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| ToZeroOne(Int32) |
Converts a boolean variable into a 0-or-1 representation (0 is false, 1 is true).
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| ToZeroOne(Int32) |
Converts boolean variables into a 0-or-1 representation (0 is false, 1 is true).
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See Also