Nominal (dichotomous= two levels and multichotomous, more than two levels
Ordinal
Discrete
Continuous
Types of epidemologic data | Description | Statistic | Graph |
Nominal (dichotomous= two levels and multichotomous, more than two levels | Unordered Catagories | Frequency distribution, relative frequency and number of cases | Area map, spot map & bar chart |
Ordinal | Ordering & Informative | Frequency distribution, relative frequency and number of cases | Bar chart |
Discrete | Quantative - Integers, ordering and magnitude | Geometric mean, arthimatic mean, mode, median range, variance, standard deviation & coffecient of variance | Bar chart |
Continuous | Quantative - values continnum | Geometric mean, arthimatic mean, mode, median range, variance, standard deviation & coffecient of variance | Histogram,stem & leaf plot,box plot |
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