NHANES

0th

Percentile

NHANES Data : National Health and Nutrition Examination Survey

This is a somewhat large interesting dataset, a data frame of 15 variables (columns) on 9575 persons (rows).

Keywords
datasets
Usage
data(NHANES)
Format

This data frame contains the following columns:

Cancer.Incidence

binary factor with levels No and Yes.

Cancer.Death

binary factor with levels No and Yes.

Age

numeric vector giving age of the person in years.

Smoke

a factor with levels Current, Past, Nonsmoker, and Unknown.

Ed

numeric vector of \(\{0,1\}\) codes giving the education level.

Race

numeric vector of \(\{0,1\}\) codes giving the person's race.

Weight

numeric vector giving the weight in kilograms

BMI

numeric vector giving Body Mass Index, i.e., Weight/Height^2 where Height is in meters, and missings (61% !) are coded as 0 originally.

%% rather FIXME?
Diet.Iron

numeric giving Dietary iron.

Albumin

numeric giving albumin level in g/l.

Serum.Iron

numeric giving Serum iron in \(\mu\)g/l.

TIBC

numeric giving Total Iron Binding Capacity in \(\mu\)g/l.

Transferin

numeric giving Transferin Saturation which is just 100*serum.iron/TIBC.

Hemoglobin

numeric giving Hemoglobin level.

Sex

a factor with levels F (female) and M (male).

Aliases
  • NHANES
Examples
library(hexbin) # NOT RUN { data(NHANES) summary(NHANES) ## Missing Data overview : nNA <- sapply(NHANES, function(x)sum(is.na(x))) cbind(nNA[nNA > 0]) # Which are just these 6 : # } # NOT RUN { Diet.Iron 141 Albumin 252 Serum.Iron 1008 TIBC 853 Transferin 1019 Hemoglobin 759 # } # NOT RUN { <!-- %dont --> # }
Documentation reproduced from package hexbin, version 1.27.1, License: GPL-2

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