bright.stars: List of bright stars with Hipparcos catalog number
In jverzani/UsingR: Data Sets, Etc. for the Text "Using R for Introductory Statistics", Second Edition
Description
Usage
Format
Details
Source
Examples
Description
List of bright stars with Hipparcos catalog number.
Usage
1
Format
A data frame with 96 observations on the following 2 variables.
- name
Common name of star
- hip
HIP number for identification
Details
The source of star names goes back to the Greeks and Arabs. Few are
modern. This is a list of 96 common stars.
Source
Form the Hipparcos website http://astro.estec.esa.nl/Hipparcos/ident6.html.
Examples
1
2
3
4
5
6
7
data(bright.stars)
all.names = paste(bright.stars$name, sep="", collapse="")
x = unlist(strsplit(tolower(all.names), ""))
letter.dist = sapply(letters, function(i) sum(x == i))
data(scrabble) # for frequency info
p = scrabble$frequency[1:26];p=p/sum(p)
chisq.test(letter.dist, p=p) # compare with English
jverzani/UsingR documentation built on Aug. 3, 2020, 11:57 a.m.
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Description Usage Format Details Source Examples
Description
List of bright stars with Hipparcos catalog number.
Usage
1 |
Format
A data frame with 96 observations on the following 2 variables.
- name
Common name of star
- hip
HIP number for identification
Details
The source of star names goes back to the Greeks and Arabs. Few are modern. This is a list of 96 common stars.
Source
Form the Hipparcos website http://astro.estec.esa.nl/Hipparcos/ident6.html.
Examples
1 2 3 4 5 6 7 | data(bright.stars)
all.names = paste(bright.stars$name, sep="", collapse="")
x = unlist(strsplit(tolower(all.names), ""))
letter.dist = sapply(letters, function(i) sum(x == i))
data(scrabble) # for frequency info
p = scrabble$frequency[1:26];p=p/sum(p)
chisq.test(letter.dist, p=p) # compare with English
|
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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