Description Arguments Details References Examples

The R6 class `CoefQuartVar`

for the coefficient of
quartile variation (cqv)

`x` |
An |

`na.rm` |
a logical value indicating whether |

`digits` |
integer indicating the number of decimal places to be used. |

**Coefficient of Quartile Variation**-
*cqv = ((q3-q1)/(q3 + q1))*100 ,*where

*q3*and*q1*are third quartile (*i.e.,*75th percentile) and first quartile (*i.e.,*25th percentile), respectively. The*cqv*is a measure of relative dispersion that is based on interquartile range*(iqr)*. Since*cqv*is unitless, it is useful for comparison of variables with different units. It is also a measure of homogeneity [1, 2].

[1] Bonett, DG., 2006, Confidence interval for a coefficient of quartile variation, Computational Statistics & Data Analysis, 50(11), 2953-7, DOI: http://doi.org/10.1016/j.csda.2005.05.007

1 2 3 4 5 6 7 8 | ```
x <- c(
0.2, 0.5, 1.1, 1.4, 1.8, 2.3, 2.5, 2.7, 3.5, 4.4,
4.6, 5.4, 5.4, 5.7, 5.8, 5.9, 6.0, 6.6, 7.1, 7.9
)
CoefQuartVar$new(x)$est()
cqv_x <- CoefQuartVar$new(x, digits = 2)
cqv_x$est()
R6::is.R6(cqv_x)
``` |

MaaniBeigy/DescObs documentation built on May 23, 2019, 9:37 a.m.

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