Geographically weighted regression (points/grid)¶

Description¶

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Parameters¶

Predictor [raster]

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Points [vector: point]

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Dependent Variable [tablefield: any]

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Distance Weighting [selection]

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Options:

• 0 — [0] no distance weighting
• 1 — [1] inverse distance to a power
• 2 — [2] exponential
• 3 — [3] gaussian weighting

Default: 0

Inverse Distance Weighting Power [number]

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Default: 1

Inverse Distance Offset [boolean]

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Default: True

Gaussian and Exponential Weighting Bandwidth [number]

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Default: 1.0

Search Range [selection]

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Options:

• 0 — [0] search radius (local)
• 1 — [1] no search radius (global)

Default: 0

Search Radius [number]

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Default: 0

Search Mode [selection]

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Options:

• 0 — [0] all directions
• 1 — [1] quadrants

Default: 0

Number of Points [selection]

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Options:

• 0 — [0] maximum number of observations
• 1 — [1] all points

Default: 0

Maximum Number of Observations [number]

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Default: 10

Minimum Number of Observations [number]

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Default: 4

Outputs¶

Regression [raster]

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Coefficient of Determination [raster]

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Intercept [raster]

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Slope [raster]

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Residuals [vector]

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Console usage¶

processing.runalg('saga:geographicallyweightedregressionpointsgrid', predictor, points, dependent, distance_weighting_weighting, distance_weighting_idw_power, distance_weighting_idw_offset, distance_weighting_bandwidth, range, radius, mode, npoints, maxpoints, minpoints, regression, quality, intercept, slope, residuals)

See also¶