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IPS57 Gerardo L. et al.

In Addition, the tool allows to visualize how differentiated reactions were
given by federative entity, so that while the City of Mexico (affected by both
quakes) presents notable lows in the positivity both the 8th and the 19th of
September, in Chiapas (affected only by the first earthquake) we only observe
a fall the in the early morning of September 8th and in Chihuahua, a northern
state completely unaffected by the earthquakes, there is no noticeable change
in any of the two dates.
It is important to say that not all movements in the positivity ratio series
have an obvious interpretation. In this sense users can complement the
information they have with the one offered by the system to enrich their
explanation of the mood variations of the tweeters. To the extent that users
become familiar with the system and to the extent that they have longer time
series, the same users will be able to refine the interpretation of the variations
in time and space of the positivity quotient, as well as adapting this
interpretation to their own analytical needs, which will enrich the knowledge
about the aspects of reality that govern the dynamics of the mood of the
tweeterers.

4. Discussion and Conclusion
It´s important for users to be clear that the Mood of the Tweeterers in
Mexico is an experimental statistical exercise in which INEGI makes an effort
to reuse information from social networks to transform it into Statistical
information of public utility. Unlike traditional statistical sources such as
surveys or censuses, social media information does not respond to a
conceptual, statistical and operational design aimed at knowing specific

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