| 用途 | 戻り値 |
|---|---|
ee.ConfusionMatrix(array, order) | ConfusionMatrix |
| 引数 | タイプ | 詳細 |
|---|---|---|
array | オブジェクト | 混同行列を表す整数の正方 2D 配列。ee.Array コンストラクタとは異なり、この引数にリストを指定することはできません。 |
order | リスト、デフォルト: null | 非連続またはゼロベース以外の行列の行と列のサイズと順序。 |
例
コードエディタ(JavaScript)
// A confusion matrix. Rows correspond to actual values, columns to // predicted values. var array = ee.Array([[32, 0, 0, 0, 1, 0], [ 0, 5, 0, 0, 1, 0], [ 0, 0, 1, 3, 0, 0], [ 0, 1, 4, 26, 8, 0], [ 0, 0, 0, 7, 15, 0], [ 0, 0, 0, 1, 0, 5]]); print('Constructed confusion matrix', ee.ConfusionMatrix(array)); // The "order" parameter refers to row and column class labels. When // unspecified, the class labels are assumed to be a 0-based sequence // incrementing by 1 with a length equal to row/column size. print('Default row/column labels (unspecified "order" parameter)', ee.ConfusionMatrix({array: array, order: null}).order()); // Set the "order" parameter when custom class label integers are required. The // list of integer value labels should correspond to the matrix axes left to // right / top to bottom. var order = [11, 22, 42, 52, 71, 81]; print('Specified row/column labels (specified "order" parameter)', ee.ConfusionMatrix({array: array, order: order}).order());
import ee import geemap.core as geemap
Colab(Python)
from pprint import pprint # A confusion matrix. Rows correspond to actual values, columns to # predicted values. array = ee.Array([[32, 0, 0, 0, 1, 0], [ 0, 5, 0, 0, 1, 0], [ 0, 0, 1, 3, 0, 0], [ 0, 1, 4, 26, 8, 0], [ 0, 0, 0, 7, 15, 0], [ 0, 0, 0, 1, 0, 5]]) print('Constructed confusion matrix:') pprint(ee.ConfusionMatrix(array).getInfo()) # The "order" parameter refers to row and column class labels. When # unspecified, the class labels are assumed to be a 0-based sequence # incrementing by 1 with a length equal to row/column size. print('Default row/column labels (unspecified "order" parameter):', ee.ConfusionMatrix(array, None).order().getInfo()) # Set the "order" parameter when custom class label integers are required. The # list of integer value labels should correspond to the matrix axes left to # right / top to bottom. order = [11, 22, 42, 52, 71, 81] print('Specified row/column labels (specified "order" parameter):', ee.ConfusionMatrix(array, order).order().getInfo())