Darts 时序预测
Darts 时序预测：Darts 是轻量级时间序列预测库，支持多市场金融数据的确定性与概率性预测，提供协变量整合与层级聚合能力。 含 15 条反模式约束。
晶体简介
Constraints
Evidence Quality
Medium confidence — review before critical use
102 条不可违反的约束
WHENWhen constructing a TimeSeries with values array input
ACTIONExpand the values array to exactly 3 dimensions (time×component×sample) using numpy array shape operations
CONSEQUENCETimeSeries operations will fail with shape mismatches, causing downstream models to receive incorrectly formatted data tensors
WHENWhen setting the TimeSeries values dtype
ACTIONCast values to float64 or float32 to verify numerical precision for financial calculations
CONSEQUENCENumerical operations may produce incorrect results with integer or non-floating-point dtypes, leading to inaccurate forecasts
WHENWhen setting the TimeSeries time index
ACTIONVerify time index is strictly monotonically increasing with a well-defined frequency and no holes by default
CONSEQUENCEDownstream models will produce incorrect forecasts due to temporal misalignment, and gap detection methods will fail
常见问题
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