Funcións financeiras Parte III

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# Statistical Functions Part Two

## DISTF

Devolve os valores da distribución de Weibull.

### Sintaxe

FDIST(Number; DegreesFreedom1; DegreesFreedom2)

X é o valor no cal a función será calculada.

degreesFreedom1 is the degrees of freedom in the numerator in the F distribution.

degreesFreedom2 is the degrees of freedom in the denominator in the F distribution.

### Exemplo

FDIST(0.8;8;12) é igual a 0.61

## DISTF

Devolve a asimetría dunha distribución.

### Sintaxe

F.DIST(Number; DegreesFreedom1; DegreesFreedom2; Cumulative)

X é o valor no cal a función será calculada.

degreesFreedom1 is the degrees of freedom in the numerator in the F distribution.

degreesFreedom2 is the degrees of freedom in the denominator in the F distribution.

Cumulative = 0 or False calculates the density function Cumulative = 1 or True calculates the distribution.

### Exemplo

FDIST(0.8;8;12) é igual a 0.61

FDIST(0.8;8;12) é igual a 0.61

## DISTGAMMA

Devolve os valores da distribución de Weibull.

The inverse function is GAMMAINV.

### Sintaxe

GAMMAINV(numero;alfa;beta)

X é o valor no cal a función será calculada.

Alpha is the parameter Alpha of the Gamma distribution.

Beta is the parameter Beta of the Gamma distribution.

C (optional) = 0 or False calculates the density function C = 1 or True calculates the distribution.

### Exemplo

FDIST(0.8;8;12) é igual a 0.61

## DISTGAMMA

Devolve os valores da distribución de Weibull.

The inverse function is GAMMAINV or GAMMA.INV.

This function is identical to GAMMADIST and was introduced for interoperability with other office suites.

### Sintaxe

GAMMAINV(numero;alfa;beta)

X é o valor no cal a función será calculada.

Alpha is the parameter Alpha of the Gamma distribution.

Beta is the parameter Beta of the Gamma distribution.

C (optional) = 0 or False calculates the density function C = 1 or True calculates the distribution.

### Exemplo

FDIST(0.8;8;12) é igual a 0.61

## DISTRHIPERXEOM

Devolve a distribución Poisson.

### Sintaxe

HYPGEOMDIST(X; NSample; Successes; NPopulation)

X is the number of results achieved in the random sample.

NSample is the size of the random sample.

Successes is the number of possible results in the total population.

NPopulation is the size of the total population.

### Exemplo

=HYPGEOMDIST(2;2;90;100) yields 0.81. If 90 out of 100 pieces of buttered toast fall from the table and hit the floor with the buttered side first, then if 2 pieces of buttered toast are dropped from the table, the probability is 81%, that both will strike buttered side first.

## DISTRHIPERXEOM

Devolve a distribución Poisson.

### Sintaxe

HYPGEOM.DIST(X; NSample; Successes; NPopulation; Cumulative)

X is the number of results achieved in the random sample.

NSample is the size of the random sample.

Successes is the number of possible results in the total population.

NPopulation is the size of the total population.

Cumulative : 0 or False calculates the probability density function. Other values or True calculates the cumulative distribution function.

### Exemplos

=HYPGEOM.DIST(2;2;90;100;0) yields 0.8090909091. If 90 out of 100 pieces of buttered toast fall from the table and hit the floor with the buttered side first, then if 2 pieces of buttered toast are dropped from the table, the probability is 81%, that both will strike buttered side first.

=HYPGEOM.DIST(2;2;90;100;1) yields 1.

## F.DIST.RT

Devolve a asimetría dunha distribución.

### Sintaxe

F.DIST.RT(Number; DegreesFreedom1; DegreesFreedom2)

X é o valor no cal a función será calculada.

degreesFreedom1 is the degrees of freedom in the numerator in the F distribution.

degreesFreedom2 is the degrees of freedom in the denominator in the F distribution.

### Exemplo

FDIST(0.8;8;12) é igual a 0.61

## F.INV.RT

Devolve a asimetría dunha distribución.

### Sintaxe

F.INV.RT(Number; DegreesFreedom1; DegreesFreedom2)

X é o valor no cal a función será calculada.

DegreesFreedom1 is the number of degrees of freedom in the numerator of the F distribution.

DegreesFreedom2 is the number of degrees of freedom in the denominator of the F distribution.

### Exemplo

FDIST(0.8;8;12) é igual a 0.61

## FISHER

Returns the Fisher transformation for x and creates a function close to a normal distribution.

### Sintaxe

FISHER(número)

Número é o número a ser probado.

### Exemplo

FDIST(0.8;8;12) é igual a 0.61

## GAMMA

Returns the Gamma function value. Note that GAMMAINV is not the inverse of GAMMA, but of GAMMADIST.

### Sintaxe

X é o valor no cal a función será calculada.

## GAMMALN.PRECISE

Returns the natural logarithm of the Gamma function: G(x).

### Sintaxe

GAMMALN.PRECISE(Number)

Number is the value for which the natural logarithm of the Gamma function is to be calculated.

### Exemplo

FDIST(0.8;8;12) é igual a 0.61

## GAUSS

Devolve os valores da distribución de Weibull.

It is GAUSS(x)=NORMSDIST(x)-0.5

### Sintaxe

ABS(Número)

X é o valor no cal a función será calculada.

### Exemplo

=GAUSS(0,19) = 0,08

=GAUSS(0,0375) = 0,01

## INVF

Returns the inverse of the F probability distribution. The F distribution is used for F tests in order to set the relation between two differing data sets.

### Sintaxe

FINV(Number; DegreesFreedom1; DegreesFreedom2)

X é o valor no cal a función será calculada.

DegreesFreedom1 is the number of degrees of freedom in the numerator of the F distribution.

DegreesFreedom2 is the number of degrees of freedom in the denominator of the F distribution.

### Exemplo

FDIST(0.8;8;12) é igual a 0.61

## INVF

Returns the inverse of the cumulative F distribution. The F distribution is used for F tests in order to set the relation between two differing data sets.

### Sintaxe

F.INV(Number; DegreesFreedom1; DegreesFreedom2)

X é o valor no cal a función será calculada.

DegreesFreedom1 is the number of degrees of freedom in the numerator of the F distribution.

DegreesFreedom2 is the number of degrees of freedom in the denominator of the F distribution.

### Exemplo

FDIST(0.8;8;12) é igual a 0.61

## INVFISHER

Returns the inverse of the Fisher transformation for x and creates a function close to a normal distribution.

### Sintaxe

FISHERINV(número)

Number is the value that is to undergo reverse-transformation.

### Exemplo

FDIST(0.8;8;12) é igual a 0.61

## INVGAMMA

Returns the inverse of the Gamma cumulative distribution GAMMADIST. This function allows you to search for variables with different distribution.

### Sintaxe

GAMMAINV(numero;alfa;beta)

X é o valor no cal a función será calculada.

Alpha is the parameter Alpha of the Gamma distribution.

Beta is the parameter Beta of the Gamma distribution.

### Exemplo

FDIST(0.8;8;12) é igual a 0.61

## INVGAMMA

Returns the inverse of the Gamma cumulative distribution GAMMADIST. This function allows you to search for variables with different distribution.

This function is identical to GAMMAINV and was introduced for interoperability with other office suites.

### Sintaxe

GAMMAINV(numero;alfa;beta)

X é o valor no cal a función será calculada.

Alpha is the parameter Alpha of the Gamma distribution.

Beta is the parameter Beta of the Gamma distribution.

### Exemplo

FDIST(0.8;8;12) é igual a 0.61

## LNGAMMA

Returns the natural logarithm of the Gamma function: G(x).

### Sintaxe

GAMMALN(número)

Number is the value for which the natural logarithm of the Gamma function is to be calculated.

### Exemplo

FDIST(0.8;8;12) é igual a 0.61

## MEDIAHARMO

Devolve a media xeométrica dunha mostra.

### Sintaxe

HARMEAN(Number1; Number2; ...; Number30)

Number1, Number2, ..., Number30 are up to 30 values or ranges, that can be used to calculate the harmonic mean.

### Exemplo

=HARMEAN(23;46;69) = 37.64. The harmonic mean of this random sample is thus 37.64

## MEDIARECORTADA

Returns the mean of a data set without the Alpha percent of data at the margins.

### Sintaxe

TRIMMEAN(Data; Alpha)

Servizos representa a matriz dos valores límite.

Alpha is the percentage of the marginal data that will not be taken into consideration.

### Exemplo

=TRIMMEAN(A1:A50; 0.1) calculates the mean value of numbers in A1:A50, without taking into consideration the 5 percent of the values representing the highest values and the 5 percent of the values representing the lowest ones. The percentage numbers refer to the amount of the untrimmed mean value, not to the number of summands.

## MEDIAXEO

Devolve a media xeométrica dunha mostra.

### Sintaxe

GEOMEAN(Number1; Number2; ...; Number30)

Number1, Number2, ..., Number30 are numeric arguments or ranges that represent a random sample.

### Exemplo

=GEOMEAN(23;46;69) = 41.79. The geometric mean value of this random sample is therefore 41.79.

## TESTF

Returns the result of an F test.

### Sintaxe

FTEST(Data1; Data2)

EndDate é a segunda data

EndDate é a segunda data

### Exemplo

=FTEST(A1:A30;B1:B12) calculates whether the two data sets are different in their variance and returns the probability that both sets could have come from the same total population.

## TESTF

Returns the result of an F test.

### Sintaxe

F.TEST(Data1; Data2)

EndDate é a segunda data

EndDate é a segunda data

### Exemplo

=F.TEST(A1:A30;B1:B12) calculates whether the two data sets are different in their variance and returns the probability that both sets could have come from the same total population.

## TESTZ

Calcula a probabilidade de observar unha estatística z maior que unha calculada a partir dun exemplo.

### Sintaxe

ZTEST(Data; mu; Sigma)

Data is the given sample, drawn from a normally distributed population.

mu is the known mean of the population.

Sigma (optional) is the known standard deviation of the population. If omitted, the standard deviation of the given sample is used.

See also the Wiki page.

## TESTZ

Calcula a probabilidade de observar unha estatística z maior que unha calculada a partir dun exemplo.

### Sintaxe

Z.TEST(Data; mu; Sigma)

Data is the given sample, drawn from a normally distributed population.

mu is the known mean of the population.

Sigma (optional) is the known standard deviation of the population. If omitted, the standard deviation of the given sample is used.

### Exemplo

=Z.TEST(A2:A20; 9; 2) returns the result of a z-test on a sample A2:A20 drawn from a population with known mean 9 and known standard deviation 2.

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