Data from a study to investigate assocation between uric acid and various cardiovascular risk factors in developing countries (Heritier et. al. 2009).
There are 474 men and 524 women aged 25-64.
Usage
data(CardioRiskFactors)
Format
A data frame with 998 observations on the following 14 variables.
age
Age of subject
bmi
Body Mass Index
waisthip
waist/hip ratio(?)
smok
indicator for regular smoker
choles
total cholesterol
trig
triglycerides level in body fat
hdl
high-density lipoprotien(?)
ldl
low-density lipoprotein
sys
systolic blood pressure
dia
diastolic blood pressure(?)
Uric
serum uric
sex
indicator for male
alco
alcohol intake (mL/day)
apoa
apoprotein A
Details
Data set and description taken from Heritier et. al. (2009) (c.f. Conen et. al. 2004).
Some not discussed (in Section 3.5) of the text and their persummed meaning is listed followed by (?).
Source
Heritier, S., Cantoni, E., Copt, S., and Victoria-Feser, M. (2009), Robust Methods in Biostatistics, New York: John Wiley & Sons.
Conen, D., Wietlisbach, V., Bovet, P., Shamlaye, C., Riesen, W., Paccaud, F., and Burnier, M. (2004), Prevalence of hyperuricemia and relation of serum uric acid with cardiovascular risk factors in a developing country.
BMC Public Health,
http://www.biomedcentral.com/1471-2458/4/9.
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> library(Rfit)
Loading required package: quantreg
Loading required package: SparseM
Attaching package: 'SparseM'
The following object is masked from 'package:base':
backsolve
> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/Rfit/CardioRiskFactors.Rd_%03d_medium.png", width=480, height=480)
> ### Name: CardioRiskFactors
> ### Title: Cardiovascular risk factors
> ### Aliases: CardioRiskFactors
> ### Keywords: datasets
>
> ### ** Examples
>
> data(CardioRiskFactors)
> fitF<-rfit(Uric~bmi+sys+choles+ldl+sex+smok+alco+apoa+trig+age,data=CardioRiskFactors)
> fitR<-rfit(Uric~bmi+sys+choles+ldl+sex,data=CardioRiskFactors)
> drop.test(fitF,fitR)
Drop in Dispersion Test
F-Statistic p-value
82.089 0.000
> summary(fitR)
Call:
rfit.default(formula = Uric ~ bmi + sys + choles + ldl + sex,
data = CardioRiskFactors)
Coefficients:
Estimate Std. Error t.value p.value
(Intercept) -122.60425 19.11525 -6.4140 2.191e-10 ***
bmi 5.16658 0.49163 10.5091 < 2.2e-16 ***
sys 0.67090 0.10485 6.3988 2.410e-10 ***
choles 60.39106 5.10978 11.8187 < 2.2e-16 ***
ldl -53.32794 5.33347 -9.9987 < 2.2e-16 ***
sex 128.75255 5.00422 25.7288 < 2.2e-16 ***
---
Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
Multiple R-squared (Robust): 0.4687287
Reduction in Dispersion Test: 175.0439 p-value: 0
>
>
>
>
>
> dev.off()
null device
1
>