weight_sources()method, inside the DataFramer class of the graph_bouncer.py module. The majority of the bands are distinguished by the different line-ups that occurred over the years (e.g.
DEEP PURPLE #1,
BLACK SABBATH #1, etc.), hence the universe tag denotes the main group to which each formation belongs. Hence, for example, the targets
DEEP PURPLE #2and
DEEP PURPLE #3have been included under the
Deep Purpleuniverse, while
WHITESNAKE #4have been merged into the
Whitesnakeuniverse even if many of their members were in common. This matching pattern is the main idea on which the DataFramer class is based (see the figure below).
Ritchie Blackmore, Don Airey will appear as his neighbor since they have been both in Deep Purple (even if in different formations); but, when selecting
Don Aireywill appear as a member of the Judas Priest universe - given his many collaborations with the band and with Glenn Tipton himself - and not as a Deep Purple member. Moving accross the original network, the most remote nodes represent musicians that can be considered marginal in the context of this analysis. Therefore, when choosing one of them from the dropdown menu, this would be included in a very small universe, which, at first, could seem not so relevant in the Purple family context, but its neighbors surely are. For example, when plotting
Alex Machacek's graph, no members of Deep Purple are shown, but his neighbors
Marco Minnemanncollaborated with
Joe Satrianiamongst others, so their relationship with a Deep Purple member is interpreted as the path that passes through all the involved nodes (see figure below). In order to avoid graph over-fitting, the numerous solo albums line-ups have been taken into account only if they were particularly determinant in finding stable connections between the involved musicians.
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(CC) 2020 Made by Gregorio Tedde just for analysis purpose.
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.