Hemoglobin: Hemoglobin Levels in High Altitude Populations

Description Usage Format Source References Examples

Description

Relative rates of hemoglobin concentration in four populations of humans living at different altitudes.

Usage

1

Format

A data frame with 40 observations on the following 3 variables.

hemoglobin

a numeric vector

group

a factor with levels: Andes, Ethiopia, Tibet, and USA

relative.frequency

a numeric vector

Source

inferred from Beall, C.M., M.J. Decker, G.M. Bittenham, I. Kushner, A. Gebremedhin, K.P. Strohl. 2002. An Ethiopian pattern of human adaptation to high-altitude hypoxia. Proceeding of the National Academy of Sciences (USA) 99(26): 17215-17218.

References

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC139295/

Examples

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data(Hemoglobin)
str(Hemoglobin)

xyplot(relative.frequency ~ hemoglobin | group, Hemoglobin,
  type ='h', lwd=4, layout=c(1,4))

Example output

Loading required package: nlme
Loading required package: lattice
Loading required package: grid
Loading required package: mosaic
Registered S3 method overwritten by 'mosaic':
  method                           from   
  fortify.SpatialPolygonsDataFrame ggplot2

The 'mosaic' package masks several functions from core packages in order to add 
additional features.  The original behavior of these functions should not be affected by this.

Attaching package:mosaicThe following objects are masked frompackage:dplyr:

    count, do, tally

The following object is masked frompackage:Matrix:

    mean

The following object is masked frompackage:ggplot2:

    stat

The following objects are masked frompackage:stats:

    binom.test, cor, cor.test, cov, fivenum, IQR, median, prop.test,
    quantile, sd, t.test, var

The following objects are masked frompackage:base:

    max, mean, min, prod, range, sample, sum

'data.frame':	40 obs. of  3 variables:
 $ hemoglobin        : int  11 12 13 14 15 16 17 18 19 11 ...
 $ group             : Factor w/ 4 levels "Andes","Ethiopia",..: 2 2 2 2 2 2 2 2 2 3 ...
 $ relative.frequency: num  0 0.01 0.05 0.18 0.32 0.24 0.19 0.01 0 0 ...

abd documentation built on May 2, 2019, 4:46 p.m.