![]() First Normal Form data forms a relation in the technical sense. Cats spend a lot of time grooming and bathing themselves, as cleanliness is a top. Relational theory defines “tidy data” in more precise terms as First Normal Form data. Of course, its still a fact that they walk in their litter boxes. Each type of observational unit forms a table.These structural problems generally prevent easy analysis. Tidiness issues pertain to the structure of data. Consistency, i.e., a standard format, in columns that represent the same data across tables and/or within tables is desired.The more insecure we feel, the meaner we become. When life spins wildly, we grab for a component of life we can manage: our diet, the tidiness of a house, the armrest of a plane, or, in many cases, people. Example: Gender is indicated as both M and Male in the same table. Fear, at its center, is a perceived loss of control.Inconsistent data is both valid and accurate, but there are multiple correct ways of referring to the same thing.Example: a patient’s weight that is 5 lbs too heavy because the scale was faulty.It adheres to the defined schema, but it is still incorrect. ![]()
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