Brazilian Presidential Election

September 25, 2014
By

(This article was first published on » R, and kindly contributed to R-bloggers)

Three major polling houses published their polls this week: MDA, Ibope, and Vox Populi. The following numbers incorporate these data. With current data, a runoff between Dilma and Marina seems to be inevitable (.87), though its certainty has decreased from the previous week as the following chart indicates.

Probs

How to understand the following plots: The big dot at the end is my best guess where, I think, the candidate will end. The “plus” signs represent the polling data estimates published by polling houses.

DILMA ROUSSEFF (PT) pt

MARINA SILVA (PSB) psb

AÉCIO NEVES (PSDB) psdb

OTHERS others

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