According to Wikipedia, Data collection is the process of gathering and measuring information on variables of interest, in an established systematic fashion that enables one to answer stated research questions, test hypotheses, and evaluate outcomes.
However, there are thousands of powerful datasets available online from research institutions, free of charge; moreover, in the age of the web and social media, data pulled from social networks or your own web traffic can generate extraordinary insights about your reach.
Code for South Africa believe that data is not just for personal use. Data should be shareable, mash-able, available for commercial use. Their goal is to promote the release of data under an open data licence to make it available to everyone who wants it. They have datasets for almost anything you can think of!
For example, if you think your local pharmacy is overcharging you, check what your medicine should cost.
Want to know the Police statistics per police station for 29 different crime categories? This dataset includes data from 2005 - 2014, and is based on the data released by SAPS
Use their Data Portal to browse and search their various datasets.
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