A PhD or Doctor of Philosophy is a postgraduate academic degree awarded by universities. Once one attains a PhD he or she may often be referred to as a doctor.
Informatics programs tend to focus heavily on computer programming and statistics of information analysis. They might also go into subjects such as database management and ethics in order to prepare students for a career in the growing data industry.
Education in the United States is mainly provided by the public sector, with control and funding coming from three levels: state, local, and federal, in that order. The common requirements to study at a higher education level in United States will include your admissions essay (also known as the statement of purpose or personal statement), transcript of records, recommendation/reference letters, language tests
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