public final class TDist extends Fixed3ArgFunction implements FreeRefFunction
Returns the Percentage Points (probability) for the Student t-distribution where a numeric value (x) is a calculated value of t for which the Percentage Points are to be computed. The t-distribution is used in the hypothesis testing of small sample data sets. Use this function in place of a table of critical values for the t-distribution.
|Constructor and Description|
|Modifier and Type||Method and Description|
public static final TDist instance
public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval arg1, ValueEval arg2, ValueEval arg3)
public ValueEval evaluate(ValueEval args, OperationEvaluationContext ec)
args- the pre-evaluated arguments for this function. args is never
null, nor are any of its elements.
ec- primarily used to identify the source cell containing the formula being evaluated. may also be used to dynamically create reference evals.
null. Possibly an instance of
ErrorEvalin the case of a specified Excel error (Exceptions are never thrown to represent Excel errors).
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