Age Ratio Test is an age-related test of survey and data quality.
Value
A lit of class "ageRatioTest"
with:
Variable | Description |
expectedR | Expected sex ratio |
expectedP | Expected proportion aged 6:29 months |
observedR | Observed sex ratio |
observedP | Observed proportion aged 6:29 months |
X2 | Chi-squared test statistic |
df | Degrees of freedom for Chi-squared test |
p | p-value for Chi-squared test |
Examples
# Age-ratio test on survey dataset from Kabul, Afghanistan (dp.ex02)
# with an age ratio of 0.85
svy <- dp.ex02
ageRatioTest(svy$age, ratio = 0.85)
#>
#> Age Ratio Test (children's data)
#>
#> Expected age ratio = 0.8500
#> Expected proportion aged 6 - 29 months = 0.4595
#>
#> Observed age ratio = 0.8654
#> Observed proportion aged 6 - 29 months = 0.4639
#>
#> X-squared = 0.0531, p = 0.8178
#>
# The age ratio test applied to data for each sex separately
by(svy$age, svy$sex, ageRatioTest, ratio = 0.85)
#> svy$sex: 1
#>
#> Age Ratio Test (children's data)
#>
#> Expected age ratio = 0.8500
#> Expected proportion aged 6 - 29 months = 0.4595
#>
#> Observed age ratio = 0.8638
#> Observed proportion aged 6 - 29 months = 0.4635
#>
#> X-squared = 0.0145, p = 0.9041
#>
#> ------------------------------------------------------------
#> svy$sex: 2
#>
#> Age Ratio Test (children's data)
#>
#> Expected age ratio = 0.8500
#> Expected proportion aged 6 - 29 months = 0.4595
#>
#> Observed age ratio = 0.8670
#> Observed proportion aged 6 - 29 months = 0.4644
#>
#> X-squared = 0.0247, p = 0.8750
#>