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Update sponsorship_analysis.py #222

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11 changes: 5 additions & 6 deletions analysis/sponsorship_analysis.py
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Original file line number Diff line number Diff line change
@@ -1,12 +1,11 @@
#!script

# Compute a Markov transition matrix representing the cosponsorship patterns
# of representatives and (separately) senators for a given time period.
# Each transition is from a Member of Congress to another Member of Congress
# if the former cosponsors a bill of the latter. The matrix is constructed so that
# the columns represent the transition probabilities (i.e. columns sum to 1).
#
# From the transition matrix we compute "PageRanks", which are essentially
# of House representatives and (separately) State senators, for a given time period.
# Each transition is from a Member of Congress to another Member of Congress,
# if the former cosponsors a bill of the latter. Columns represent the transition probabilities (i.e. columns sum to 1).
#
# From the transition matrix, we compute "PageRanks", which are essentially
# implicit leadership scores based on Member cosponsorship behavior, and
# an ideological score based on a singular value decomposition of the matrix
# rank reduction, using the 2nd dimension.
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