Gaurav Sheni

Add LagByTimedelta primitive

1

- Add LagByTimedelta primitive, which can be helpful for time-series problems ```python from featuretools.primitives.base import TransformPrimitive from featuretools.variable_types import DatetimeTimeIndex, Variable import pandas as pd class LagByTime(TransformPrimitive): """Shift an array...

Add Yeo-Johnson primitive

1

- https://docs.scipy.org/doc/scipy/reference/generated/scipy.stats.yeojohnson.html

- https://docs.scipy.org/doc/scipy/reference/generated/scipy.stats.boxcox.html 

- We may not need primitive.name, and can rely on the class name (`class AddNumeric(TransformPrimitive)`) - This may be significant breaking change and remove an attribute from all of our...

## Problem - There are certain primitives where the return_type depends on the input_type, such as AddNumeric, MultiplyNumeric, GreaterThan, GreaterThanEqualTo, LessThan ``` input_types = [ColumnSchema(semantic_tags={'numeric'}), ColumnSchema(semantic_tags={'numeric'})] return_type = ColumnSchema(semantic_tags={'numeric'}) ```...

Spike: Improve Generics for Input Types in Primitives

1

## Problem - Certain comparison primitives like Equal, NotEqual, EqualScalar, NotEqualScalar use the ColumnSchema base class in their allowed primitive inputs. This allows them to take accept any Logical Type...

Make dask an optional dependency

3

- Currently, dask is required to be installed with Featuretools (its used for if n_jobs > 1 for DFS) - However, dask can be made into an optional dependency, and...