R Dataset / Package mosaicData / Gestation

How To Create a Barplot

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How To Create a Pie Chart

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How To Compute the Mean

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How To Create a Plot

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How to Compute the Median

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Correlation Coefficient

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Hollow Histogram

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Numerical Summaries

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Regression

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Embed
<iframe src="https://embed.picostat.com/r-dataset-package-mosaicdata-gestation.html" frameBorder="0" width="100%" height="307px" />
Attachment Size
dataset-76698.csv 79.23 KB
Dataset License
GNU General Public License v2.0
Documentation License
GNU General Public License v2.0
Dataset Help

On this Picostat.com statistics page, you will find information about the Gestation data set which pertains to Data from the Child Health and Development Studies. The Gestation data set is found in the mosaicData R package. You can load the Gestation data set in R by issuing the following command at the console data("Gestation"). This will load the data into a variable called Gestation. If R says the Gestation data set is not found, you can try installing the package by issuing this command install.packages("mosaicData") and then attempt to reload the data. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the Gestation R data set. The size of this file is about 81,131 bytes.

Documentation

Data from the Child Health and Development Studies

Description

Birth weight, date, and gestational period collected as part of the Child Health and Development Studies in 1961 and 1962. Information about the baby's parents — age, education, height, weight, and whether the mother smoked is also recorded.

Usage

data(Gestation)

Format

A data frame with 1236 observations on the following variables.

  • id identification number

  • pluralty 5 = single fetus

  • outcome 1 = live birth that survived at least 28 days

  • date birth date where 1096=January 1, 1961

  • gestation length of gestation (in days)

  • sex infant's sex (1=male, 2=female)

  • wt birth weight (in ounces)

  • parity total number of previous pregnancies (including fetal deaths and still births)

  • race mother's race: 0-5=white 6=mex 7=black 8=asian 9=mixed

  • age mother's age in years at termination of pregnancy

  • ed mother's education: 0= less than 8th grade, 1 = 8th -12th grade - did not graduate, 2= HS graduate–no other schooling, 3= HS+trade, 4=HS+some college, 5=College graduate, 6=Trade school, 7=HS unclear

  • ht mother's height in inches to the last completed inch

  • wt.1 mother's prepregnancy weight (in pounds)

  • drace father's race (a factor with levels equivalent to mother's race)

  • dage father's age (in years)

  • ded father'ed education (same coding as mother's education)

  • dht father's height in inches to the last completed inch

  • dwt father's weight (in pounds)

  • marital marital status: 1=married, 2=legally separated, 3=divorced, 4=widowed, 5=never married

  • inc family yearly income in $2500 increments: 0=under 2500, 1=2500-4999, ..., 8=12,500-14,999, 9=15000+

  • smoke does mother smoke? 0=never, 1=smokes now, 2=until current pregnancy, 3=once did, not now

  • time time since quitting smoking: 0=never smoked, 1=still smokes, 2=during current preg, 3=within 1 yr, 4=1 to 2 years ago, 5= 2 to 3 yr ago, 6= 3 to 4 yrs ago, 7=5 to 9yrs ago, 8=10+yrs ago, 9=quit and don't know

  • number number of cigs smoked per day for past and current smokers 0=never, 1=1-4, 2=5-9, 3=10-14, 4=15-19, 5=20-29, 6=30-39, 7=40-60, 8=60+, 9=smoke but don't know

Details

The data were presented by Nolan and Speed to address the question of whether there is a link between maternal smoking and the baby's health.

Source

The book by Nolan and Speed describes the data in more detail and provides an Internet site for accessing them: http://www.stat.berkeley.edu/users/statlabs/

References

D Nolan and T Speed. Stat Labs: Mathematical Statistics Through Applications (2000), Springer-Verlag.

Examples

data(Gestation)
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Dataset imported from https://www.r-project.org.

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