QGIS algorithm - Maximum entropy classifcation

Source: R/sagang_maximumentropyclassifcation.R

QGIS Algorithm provided by SAGA Next Gen Maximum entropy classifcation (sagang:maximumentropyclassifcation). —————- Arguments —————- TRAINING: Training Areas Argument type: source Acceptable values: - Path to a vector layer FIELD: Class Name Argument type: field Acceptable values: - The name of an existing field - ; delimited list of existing field names FEATURES_NUM: Numerical Features (optional) Argument type: multilayer FEATURES_CAT: Categorical Features (optional) Argument type: multilayer CLASSES: Classes Argument type: rasterDestination Acceptable values: - Path for new raster layer CLASSES_LUT: Look-up Table Argument type: vectorDestination Acceptable values: - Path for new vector layer PROB: Probability Argument type: rasterDestination Acceptable values: - Path for new raster layer PROBS: Probabilities Argument type: rasterDestination Acceptable values: - Path for new raster layer PROBS_CREATE: Create Propabilities Default value: false Argument type: boolean Acceptable values: - 1 for true/yes - 0 for false/no - field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field - expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression METHOD: Method Default value: 0 Argument type: enum Available values: - 0: (0) Yoshimasa Tsuruoka - 1: (1) Dekang Lin Acceptable values: - Number of selected option, e.g. '1' - Comma separated list of options, e.g. '1,3' YT_FILE_LOAD: Load from File... Default value: False Argument type: file Acceptable values: - Path to a file YT_FILE_SAVE: Save to File... Default value: False Argument type: file Acceptable values: - Path to a file YT_REGUL: Regularization Default value: 1 Argument type: enum Available values: - 0: (0) none - 1: (1) L1 - 2: (2) L2 Acceptable values: - Number of selected option, e.g. '1' - Comma separated list of options, e.g. '1,3' YT_REGUL_VAL: Regularization Factor Default value: 1 Argument type: number Acceptable values: - A numeric value - field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field - expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression YT_NUMASREAL: Real-valued Numerical Features Default value: true Argument type: boolean Acceptable values: - 1 for true/yes - 0 for false/no - field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field - expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression DL_ALPHA: Alpha Default value: 0.1 Argument type: number Acceptable values: - A numeric value - field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field - expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression DL_THRESHOLD: Threshold Default value: 0 Argument type: number Acceptable values: - A numeric value - field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field - expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression DL_ITERATIONS: Maximum Iterations Default value: 100 Argument type: number Acceptable values: - A numeric value - field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field - expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression NUM_CLASSES: Number of Numeric Value Classes Default value: 32 Argument type: number Acceptable values: - A numeric value - field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field - expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression PROB_MIN: Minimum Probability Default value: 0 Argument type: number Acceptable values: - A numeric value - field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field - expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression

sagang_maximumentropyclassifcation(
  TRAINING = qgisprocess:::qgis_default_value(),
  FIELD = qgisprocess:::qgis_default_value(),
  FEATURES_NUM = qgisprocess:::qgis_default_value(),
  FEATURES_CAT = qgisprocess:::qgis_default_value(),
  CLASSES = qgisprocess:::qgis_default_value(),
  CLASSES_LUT = qgisprocess:::qgis_default_value(),
  PROB = qgisprocess:::qgis_default_value(),
  PROBS = qgisprocess:::qgis_default_value(),
  PROBS_CREATE = qgisprocess:::qgis_default_value(),
  METHOD = qgisprocess:::qgis_default_value(),
  YT_FILE_LOAD = qgisprocess:::qgis_default_value(),
  YT_FILE_SAVE = qgisprocess:::qgis_default_value(),
  YT_REGUL = qgisprocess:::qgis_default_value(),
  YT_REGUL_VAL = qgisprocess:::qgis_default_value(),
  YT_NUMASREAL = qgisprocess:::qgis_default_value(),
  DL_ALPHA = qgisprocess:::qgis_default_value(),
  DL_THRESHOLD = qgisprocess:::qgis_default_value(),
  DL_ITERATIONS = qgisprocess:::qgis_default_value(),
  NUM_CLASSES = qgisprocess:::qgis_default_value(),
  PROB_MIN = qgisprocess:::qgis_default_value(),
  ...,
  .complete_output = .complete_output_option(),
  .quiet = .quiet_option(),
  .messages = .message_option()
)

Arguments

TRAINING

source - Training Areas. Path to a vector layer.

FIELD

field - Class Name. The name of an existing field. ; delimited list of existing field names.

FEATURES_NUM

multilayer - Numerical Features. .

FEATURES_CAT

multilayer - Categorical Features. .

CLASSES

rasterDestination - Classes. Path for new raster layer.

CLASSES_LUT

vectorDestination - Look-up Table. Path for new vector layer.

PROB

rasterDestination - Probability. Path for new raster layer.

PROBS

rasterDestination - Probabilities. Path for new raster layer.

PROBS_CREATE

boolean - Create Propabilities. 1 for true/yes. 0 for false/no. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression.

METHOD

enum of ("(0) Yoshimasa Tsuruoka", "(1) Dekang Lin") - Method. Number of selected option, e.g. '1'. Comma separated list of options, e.g. '1,3'.

YT_FILE_LOAD

file - Load from File.... Path to a file.

YT_FILE_SAVE

file - Save to File.... Path to a file.

YT_REGUL

enum of ("(0) none", "(1) L1", "(2) L2") - Regularization. Number of selected option, e.g. '1'. Comma separated list of options, e.g. '1,3'.

YT_REGUL_VAL

number - Regularization Factor. A numeric value. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression.

YT_NUMASREAL

boolean - Real-valued Numerical Features. 1 for true/yes. 0 for false/no. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression.

DL_ALPHA

number - Alpha. A numeric value. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression.

DL_THRESHOLD

number - Threshold. A numeric value. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression.

DL_ITERATIONS

number - Maximum Iterations. A numeric value. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression.

NUM_CLASSES

number - Number of Numeric Value Classes. A numeric value. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression.

PROB_MIN

number - Minimum Probability. A numeric value. field:FIELD_NAME to use a data defined value taken from the FIELD_NAME field. expression:SOME EXPRESSION to use a data defined value calculated using a custom QGIS expression.

...

further parameters passed to qgisprocess::qgis_run_algorithm()

.complete_output

logical specifying if complete out of qgisprocess::qgis_run_algorithm() should be used (TRUE) or first output (most likely the main) should read (FALSE). Default value is TRUE.

.quiet

logical specifying if parameter .quiet for qgisprocess::qgis_run_algorithm() Default value is TRUE.

.messages

logical specifying if messages from qgisprocess::qgis_run_algorithm() should be printed (TRUE) or not (FALSE). Default value is FALSE.

Details

Outputs description

  • CLASSES - outputRaster - Classes

  • CLASSES_LUT - outputVector - Look-up Table

  • PROB - outputRaster - Probability

  • PROBS - outputRaster - Probabilities