Pengumuman: Semua project nonkomersial yang terdaftar untuk menggunakan Earth Engine sebelum
15 April 2025 harus
memverifikasi kelayakan nonkomersial untuk mempertahankan akses Earth Engine.
ee.ConfusionMatrix.order
Tetap teratur dengan koleksi
Simpan dan kategorikan konten berdasarkan preferensi Anda.
Menampilkan nama dan urutan baris dan kolom matriks.
| Penggunaan | Hasil |
|---|
ConfusionMatrix.order() | Daftar |
| Argumen | Jenis | Detail |
|---|
ini: confusionMatrix | ConfusionMatrix | |
Contoh
Code Editor (JavaScript)
// Construct an error/confusion matrix from an array (rows are actual values,
// columns are predicted values). We construct an error matrix here for brevity
// and matrix visualization, in most applications the confusion matrix will be
// generated from ee.Classifier.confusionMatrix.
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]]);
var cmDefaultOrder = ee.ConfusionMatrix(array);
print('Default name and order of the rows and columns',
cmDefaultOrder.order());
var order = [11, 22, 42, 52, 71, 81];
var cmSpecifiedOrder = ee.ConfusionMatrix({array: array, order: order});
print('Specified name and order of the rows and columns',
cmSpecifiedOrder.order());
Penyiapan Python
Lihat halaman
Lingkungan Python untuk mengetahui informasi tentang Python API dan penggunaan
geemap untuk pengembangan interaktif.
import ee
import geemap.core as geemap
Colab (Python)
# Construct an error/confusion matrix from an array (rows are actual values,
# columns are predicted values). We construct an error matrix here for brevity
# and matrix visualization, in most applications the confusion matrix will be
# generated from ee.Classifier.confusionMatrix.
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]])
cm_default_order = ee.ConfusionMatrix(array)
print('Default name and order of the rows and columns:',
cm_default_order.order().getInfo())
order = [11, 22, 42, 52, 71, 81]
cm_specified_order = ee.ConfusionMatrix(array, order)
print('Specified name and order of the rows and columns:',
cm_specified_order.order().getInfo())
Kecuali dinyatakan lain, konten di halaman ini dilisensikan berdasarkan Lisensi Creative Commons Attribution 4.0, sedangkan contoh kode dilisensikan berdasarkan Lisensi Apache 2.0. Untuk mengetahui informasi selengkapnya, lihat Kebijakan Situs Google Developers. Java adalah merek dagang terdaftar dari Oracle dan/atau afiliasinya.
Terakhir diperbarui pada 2025-07-26 UTC.
[null,null,["Terakhir diperbarui pada 2025-07-26 UTC."],[[["\u003cp\u003e\u003ccode\u003eConfusionMatrix.order()\u003c/code\u003e returns a list containing the names and order of rows and columns within the confusion matrix.\u003c/p\u003e\n"],["\u003cp\u003eBy default, \u003ccode\u003eConfusionMatrix\u003c/code\u003e automatically assigns an order to rows and columns if not explicitly specified.\u003c/p\u003e\n"],["\u003cp\u003eUsers can define a custom order for rows and columns when creating a \u003ccode\u003eConfusionMatrix\u003c/code\u003e using the \u003ccode\u003eorder\u003c/code\u003e parameter.\u003c/p\u003e\n"],["\u003cp\u003eThis function is crucial for understanding the structure and organization of a confusion matrix, especially when interpreting its values.\u003c/p\u003e\n"]]],["The `ConfusionMatrix.order()` method returns a list representing the name and order of the rows and columns within a confusion matrix. By default, this order is determined by the matrix's structure. Users can specify a custom order when creating the `ConfusionMatrix`, which will then be reflected in the output of `order()`. The examples illustrate how to retrieve both the default and a user-defined row and column order.\n"],null,["# ee.ConfusionMatrix.order\n\nReturns the name and order of the rows and columns of the matrix.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|---------------------------|---------|\n| ConfusionMatrix.order`()` | List |\n\n| Argument | Type | Details |\n|-------------------------|-----------------|---------|\n| this: `confusionMatrix` | ConfusionMatrix | |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\n// Construct an error/confusion matrix from an array (rows are actual values,\n// columns are predicted values). We construct an error matrix here for brevity\n// and matrix visualization, in most applications the confusion matrix will be\n// generated from ee.Classifier.confusionMatrix.\nvar array = ee.Array([[32, 0, 0, 0, 1, 0],\n [ 0, 5, 0, 0, 1, 0],\n [ 0, 0, 1, 3, 0, 0],\n [ 0, 1, 4, 26, 8, 0],\n [ 0, 0, 0, 7, 15, 0],\n [ 0, 0, 0, 1, 0, 5]]);\n\nvar cmDefaultOrder = ee.ConfusionMatrix(array);\nprint('Default name and order of the rows and columns',\n cmDefaultOrder.order());\n\nvar order = [11, 22, 42, 52, 71, 81];\nvar cmSpecifiedOrder = ee.ConfusionMatrix({array: array, order: order});\nprint('Specified name and order of the rows and columns',\n cmSpecifiedOrder.order());\n```\nPython setup\n\nSee the [Python Environment](/earth-engine/guides/python_install) page for information on the Python API and using\n`geemap` for interactive development. \n\n```python\nimport ee\nimport geemap.core as geemap\n```\n\n### Colab (Python)\n\n```python\n# Construct an error/confusion matrix from an array (rows are actual values,\n# columns are predicted values). We construct an error matrix here for brevity\n# and matrix visualization, in most applications the confusion matrix will be\n# generated from ee.Classifier.confusionMatrix.\narray = ee.Array([[32, 0, 0, 0, 1, 0],\n [ 0, 5, 0, 0, 1, 0],\n [ 0, 0, 1, 3, 0, 0],\n [ 0, 1, 4, 26, 8, 0],\n [ 0, 0, 0, 7, 15, 0],\n [ 0, 0, 0, 1, 0, 5]])\n\ncm_default_order = ee.ConfusionMatrix(array)\nprint('Default name and order of the rows and columns:',\n cm_default_order.order().getInfo())\n\norder = [11, 22, 42, 52, 71, 81]\ncm_specified_order = ee.ConfusionMatrix(array, order)\nprint('Specified name and order of the rows and columns:',\n cm_specified_order.order().getInfo())\n```"]]
