MARKOV_TRAIN

使用 Markov 模型从数据集中提取模式

语法

MARKOV_TRAIN(<string>)

MARKOV_TRAIN(<order>)(<string>)

MARKOV_TRAIN(<order>, <frequency_cutoff>, <num_buckets_cutoff>, <frequency_add>, <frequency_desaturate>) (<string>)

参数

返回类型

根据具体实现，它仅用作 MARKOV_GENERATE 的参数。

示例

create table model as
select markov_train(concat('bar', number::string)) as bar from numbers(100);

select markov_generate(bar,'{"order":5,"sliding_window_size":8}', 151, (number+100000)::string) as generate
from numbers(5), model;
+-----------+
| generate  |
+-----------+
│ bar95     │
│ bar64     │
│ bar85     │
│ bar56     │
│ bar95     │
+-----------+