Glossary of Terms

This page lists alphabetically the meaning of various terms used in our library documentation:

Array-like

       An instance of an object that can be interpreted as an array (e.g., a list, sparse, matrix, a NumPy array, etc)

Block

       A part of a ds-array that is normally stored remotely.

Column

       A column in a ds-array.

Column Block

       A block or set of blocks representing a set of columns in a ds-array.

Csr_matrix

       An instance of a sparse matrix in compressed sparse row format.

Ds-array

       An instance of a distributed array.

Estimator

       Anything that learns from data. Typically, an object that fits a model given some parameters and input data.

Feature

       Each of the dimensions of a sample array. For example, petal length or color.

Label

       A number that represents the category of a sample.

Predict

       The category of unlabeled data according to a fitted model.

Row

       A row in a ds-array.

Sample

       An array that normally represents an observation or an instance. For example, the characteristics of a particular flower.