A factor analysis apparatus includes: an acquisition unit that acquires, from factor analysis data, time-series data of an objective variable representing a result of an event and time-series data of an explanatory variable representing a factor of an event; a criterion-value setting unit that sets, based on the time-series data of the objective variable, a plurality of objective-variable criterion values; an influence degree calculation unit that learns the set plurality of objective-variable criterion values and the acquired time-series data of the explanatory variable, generates a relational expression between the objective-variable criterion value and the explanatory variable for each of the objective-variable criterion values, and extracts, from the generated relational expression, a coefficient of the explanatory variable and the explanatory variable corresponding to the coefficient; and an output unit that outputs the extracted coefficient as an influence degree, and outputs an explanatory variable name associated with the extracted explanatory variable.
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