04 Sep 2017
NZ votes: party leaders outline their vision to bluenotes
Julia de Blaauw |
We speak to the leaders of the major NZ parties ahead of the upcoming vote.
25 Sep 2017
Political press releases: More than just words
In the four months leading up to New Zealand’s election the political parties released various press releases. Word cloud analysis of those releases provides a visual guide to the differing conversations of the political parties – and some insight into how negotiations may develop.
The word clouds were generated by machine learning analysis of the six political parties which were most likely to be represented in Parliament. They are not simple word counts but rather reflect the ranking of the words that consistently distinguished the press releases of the given party from its peers.
" (These wordclouds) reflect the ranking of the words that consistently distinguished the press releases of the given party from its peers."
The parties are in alphabetical order.
ACT
GREEN
LABOUR
MAORI
NATIONAL
NZ FIRST
Source: Political websites, ANZ Research
Note: The two models were a Naïve Bayes Multinomial and a Support Vector Machine classifier using TD-IDF vectorisation and word stemming (a representative word is used in the clouds). The words and phrases shown are those that were in the top 200 distinguishing features for each party across both models, and are sized according to the coefficients from the Naïve Bayes model. The two models achieved accuracy of over 85% on an unseen test set of press releases. The word clouds were generated using wordle.net.
The views and opinions expressed in this communication are those of the author and may not necessarily state or reflect those of ANZ.
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