.. index:: single: qda_classifier .. _qda_classifier/0:

.. rst-class:: right

object

qda_classifier

Quadratic Discriminant Analysis classifier for continuous datasets using class-specific regularized covariance models.

| Availability: | logtalk_load(qda_classifier(loader))

| Author: Paulo Moura | Version: 1:0:0 | Date: 2026-05-11

| Compilation flags: | static, context_switching_calls

| Imports: | public :ref:`classifier_common <classifier_common/0>` | Uses: | :ref:`format <format/0>` | :ref:`linear_algebra <linear_algebra/0>` | :ref:`list <list/0>` | :ref:`type <type/0>`

| Remarks: | (none)

| Inherited public predicates: |  :ref:`classifier_protocol/0::check_classifier/1`  :ref:`options_protocol/0::check_option/1`  :ref:`options_protocol/0::check_options/1`  :ref:`classifier_protocol/0::classifier_options/2`  :ref:`options_protocol/0::default_option/1`  :ref:`options_protocol/0::default_options/1`  :ref:`classifier_protocol/0::diagnostic/2`  :ref:`classifier_protocol/0::diagnostics/2`  :ref:`classifier_protocol/0::export_to_clauses/4`  :ref:`classifier_protocol/0::export_to_file/4`  :ref:`classifier_protocol/0::learn/2`  :ref:`classifier_protocol/0::learn/3`  :ref:`options_protocol/0::option/2`  :ref:`options_protocol/0::option/3`  :ref:`classifier_protocol/0::predict/3`  :ref:`classifier_protocol/0::print_classifier/1`  :ref:`classifier_protocol/0::valid_classifier/1`  :ref:`options_protocol/0::valid_option/1`  :ref:`options_protocol/0::valid_options/1`  

.. contents:: :local: :backlinks: top

Public predicates

.. index:: predict_scores/3 .. _qda_classifier/0::predict_scores/3:

predict_scores/3 ^^^^^^^^^^^^^^^^^^^^

Predicts class discriminant scores for a new instance.

| Compilation flags: | static

| Template: | predict_scores(Classifier,Instance,Scores) | Mode and number of proofs: | predict_scores(+compound,+list,-list) - one

---

Protected predicates

(no local declarations; see entity ancestors if any)

Private predicates

(no local declarations; see entity ancestors if any)

Operators

(none)

.. seealso::

:ref:`dataset_protocol <dataset_protocol/0>`, :ref:`lda_classifier <lda_classifier/0>`, :ref:`nearest_centroid_classifier <nearest_centroid_classifier/0>`