featvec: Class "featvec"

In CDK-R/fingerprint: Functions to Operate on Binary Fingerprint Data

Class "featvec"

Description

This class represents feature vector style fingerprints, where, rather than a bit string, the fingerprint is represented as a sequence of (signed) integers or strings. Each element of the collection is a representation of a structural feature. For cases where the features are integers, this usually corresponds to a hash of the original feature string.

Objects from the Class

Objects can be created by calls of the form new("featvec", ...). In contrast to traditional binary fingerprints, operations on feature vectors are slightly different and essentially correspond to operations on sets. Thus the logical and (&) would correspond to the union of the two feature vectors.

Slots

features:

Object of class "character" ~~ A vector containing the numeric or character features. Numeric features are treated as character strings

provider:

Object of class "character" ~~ Indicates the source of the fingerprint. Can be useful to keep track of what software generated the fingerprint.

name:

Object of class "character" ~~ The name associated with the fingerprint. If not name is available this gets set to an empty string

misc:

A list to hold arbitrary items associated with a fingerprint (such as extra fields from a fingerprint file)

Methods

distance

signature(fp1 = "featvec", fp2 = "featvec", method = "missing"): ...

distance

signature(fp1 = "featvec", fp2 = "featvec", method = "character"): ...

as.character

signature(fp = "featvec"): ...

length

signature(fp = "featvec"): ...

show

signature(fp = "featvec"): ...

Author(s)

Rajarshi Guha [e-mail]

See Also

fp.read, fp.read.to.matrix fp.sim.matrix, fp.to.matrix, fp.factor.matrix random.fingerprint

CDK-R/fingerprint documentation built on Oct. 23, 2022, 1:34 p.m.