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PERCENTILE_DISC

Q: Apa saja parameter fungsi PERCENTILE_DISC?

Fungsi ini memiliki 2 parameter wajib dan 1 parameter opsional. Parameter yang digunakan: expression (any orderable, wajib): Column that can be sorted; percentile (FLOAT64, wajib): Percentile value between 0 and 1; PARTITION BY (expression, opsional): Divides data into groups.

BigQuery

Returns the actual value at the nearest percentile without interpolation.

Tipe hasil: Same as input expressionDiperbarui: 13 Jun 2026

Syntax

SQL

PERCENTILE_DISC(expression, percentile) OVER ([PARTITION BY partition_expression])

Parameter

expressionany orderablewajib

Column that can be sorted

percentileFLOAT64wajib

Percentile value between 0 and 1

PARTITION BYexpressionopsional

Divides data into groups

Contoh Penggunaan

Median with Actual Value

SQL

1 SELECT
2   department,
3   name,
4   salary,
5   PERCENTILE_DISC(salary, 0.5) OVER (PARTITION BY department) as median_salary
6 FROM `project.dataset.employees`;

Median that returns an actual salary value from the dataset.

Hasil

department	name	salary	median_salary
Sales	David	50000	80000
Sales	Bob	80000	80000
Sales	Alice	120000	80000

Discrete vs Continuous

SQL

1 SELECT DISTINCT
2   category,
3   PERCENTILE_DISC(price, 0.5) OVER (PARTITION BY category) as median_disc,
4   PERCENTILE_CONT(price, 0.5) OVER (PARTITION BY category) as median_cont
5 FROM `project.dataset.products`;

Comparison of DISC (actual value) vs CONT (interpolated value).

Pertanyaan Umum tentang PERCENTILE_DISC

Apa itu fungsi PERCENTILE_DISC di BigQuery?

Returns the actual value at the nearest percentile without interpolation. Di BigQuery, fungsi PERCENTILE_DISC termasuk dalam kelompok fungsi yang sering digunakan untuk mengolah dan menganalisis data secara efisien.

Bagaimana cara menggunakan PERCENTILE_DISC di BigQuery?

Gunakan sintaks berikut: PERCENTILE_DISC(expression, percentile) OVER ([PARTITION BY partition_expression]). Pastikan argumen yang dimasukkan sudah sesuai dengan tipe data yang diharapkan.

Apa nilai yang dikembalikan oleh fungsi PERCENTILE_DISC?

Fungsi PERCENTILE_DISC mengembalikan nilai bertipe Same as input expression. Pastikan tipe data hasil sudah sesuai dengan kebutuhan query atau formula kamu. Jika input mengandung nilai NULL, perilaku fungsi dapat berbeda - selalu periksa dokumentasi untuk memastikan hasilnya sesuai ekspektasi.

Fungsi Terkait

STDDEVVARIANCECORRCOVAR_POPCOVAR_SAMPPERCENTILE_CONTSTDDEV_POPSTDDEV_SAMPVAR_POPVAR_SAMP

Ngulik Langsung

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Kembali ke BigQuery Functions

1	SELECT
2	department,
3	name,
4	salary,
5	PERCENTILE_DISC(salary, 0.5) OVER (PARTITION BY department) as median_salary
6	FROM `project.dataset.employees`;

1	SELECT DISTINCT
2	category,
3	PERCENTILE_DISC(price, 0.5) OVER (PARTITION BY category) as median_disc,
4	PERCENTILE_CONT(price, 0.5) OVER (PARTITION BY category) as median_cont
5	FROM `project.dataset.products`;