Learn R Programming

blm (version 2013.2.4.4)

aarp: Nested case-control data set of bladder cancer in the NIH-AARP Diet and Health Study

Description

The aarp data set is a nested case-control study of bladder cancer outcomes in the NIH-AARP Diet and Health Study. The data set is intended for demonstration purposes only.

Usage

aarp

Arguments

Format

bladder70:
indicator of bladder cancer by age 70 years
female:
indicator of female gender
smoke_status:
factor of smoking status (four categories)
w:
inverse of sampling fraction
redmeat:
total daily redmeat consumption (grams/day)
fiber.centered:
total daily fiber consumption (grams), centered on sample median

Source

National Cancer Institute. National Institutes of Health AARP Diet and Health Study. http://dietandhealth.cancer.gov/. Accessed: 12/10/2012

Examples

Run this code

data(aarp)

# ABSOLUTE RISK OF BLADDER CANCER BY 70 YEARS
# FOR DIFFERENT GENDER AND RISK GROUP

fit <- blm(bladder70~female * smoke_status, 
			      data = aarp, 
			      weight=aarp$w)

# INTERCEPT IS BASELINE RISK
# ALL OTHER COEFFICIENTS ARE RISK DIFFERENCES FROM BASELINE

summary(fit)


Run the code above in your browser using DataLab