stream_graph.ITemporalNodeSetDF

class stream_graph.ITemporalNodeSetDF(df=None, no_duplicates=True, sort_by=None, discrete=None)

DataFrame implementation of ABC.ITemporalNodeSet

Parameters

df: pandas.DataFrame or Iterable, default=None

If a DataFrame it should contain two columns for u and ts. If an Iterable it should produce (u, ts) tuples of one NodeId (int or str) and a timestamp (Real).

no_duplicates: Bool, default=True

Defines if for each node all intervals are disjoint.

sort_by: Any non-empty subset of [‘u’, ‘ts’], default=[‘u’, ‘ts’].

The order of the DataFrame elements by which they will be produced when iterated.

Attributes

df

discrete

Designate if the TemporalNodeSet is on discrete Time.

instantaneous

Defines if the Time Set is instantaneous.

is_merged_

is_sorted_

n

Returns number of nodes of the TemporalNodeSet.

nodeset

Return the nodeset that can be derived from this TemporalNodeSet.

number_of_instants

size

Returns the size of the TemporalNodeSet.

sort_

sort_by

sorted_df

timeset

Return the timeset that can be derived from this TemporalNodeSet.

total_common_time

Returns the total time that each node shares with all the other nodes of the TemporalNodeSet.

total_time

Returns the size of the derived TimeSet.

Methods

common_time(self[, u])
common_time_pair(self[, l])
copy(self[, deep])	Returns a deep or shallow copy of the current TemporalNodeSet.
discretize(self[, bins, bin_size])	Returns a discrete version of the current TemporalNodeSet.
duration_of(self[, u])
issuperset(self, ns)
n_at(self[, t])
nodes_at(self[, t])
sort_df(self, sort_by)	Return a sorted version of the data-frame given an order or retrieves it if already sorted.
times_of(self[, u])

substream

__class__

alias of abc.ABCMeta

__delattr__(self, name, /)

Implement delattr(self, name).

__dir__()

default dir() implementation

__eq__(self, value, /)

Return self==value.

__format__()

default object formatter

__ge__(self, value, /)

Return self>=value.

__getattribute__(self, name, /)

Return getattr(self, name).

__gt__(self, value, /)

Return self>value.

__hash__(self, /)

Return hash(self).

__init_subclass__()

This method is called when a class is subclassed.

The default implementation does nothing. It may be overridden to extend subclasses.

__le__(self, value, /)

Return self<=value.

__lt__(self, value, /)

Return self<value.

__ne__(self, value, /)

Return self!=value.

__new__(*args, **kwargs)

Create and return a new object. See help(type) for accurate signature.

__reduce__()

helper for pickle

__reduce_ex__()

helper for pickle

__repr__(self, /)

Return repr(self).

__setattr__(self, name, value, /)

Implement setattr(self, name, value).

__sizeof__()

size of object in memory, in bytes

__subclasshook__()

Abstract classes can override this to customize issubclass().

This is invoked early on by abc.ABCMeta.__subclasscheck__(). It should return True, False or NotImplemented. If it returns NotImplemented, the normal algorithm is used. Otherwise, it overrides the normal algorithm (and the outcome is cached).

__weakref__

list of weak references to the object (if defined)

copy(self, deep=True)

Returns a deep or shallow copy of the current TemporalNodeSet.

Parameters

deepBool

Returns

temporal_nodeset_copyTemporalNodeSet

Returns a deep or shallow copy of the current TemporalNodeSet.

discretize(self, bins=None, bin_size=None)

Returns a discrete version of the current TemporalNodeSet.

Parameters

binsIterable or None.

If None, step should be provided. If Iterable it should contain n+1 elements that declare the start and the end of all (continuous) bins.

bin_sizeInt or datetime

If bins is provided this argument is ommited. Else declare the size of each bin.

Returns

timeset_discreteTimeSet

Returns a discrete version of the TimeSet.

binslist

A list of the created bins.

property instantaneous

Defines if the Time Set is instantaneous.

property n

Returns number of nodes of the TemporalNodeSet.

Parameters

None. Property.

Returns

nInt

Returns the number of distinct nodes in the TemporalNodeSet.

sort_df(self, sort_by)

Return a sorted version of the data-frame given an order or retrieves it if already sorted.

property total_time

Returns the size of the derived TimeSet.

Parameters

None. Property.

Returns

total_timeReal

The total amount of time from the union of intervals that nodes exist.