R Dataset / Package robustbase / starsCYG
On this Picostat.com statistics page, you will find information about the starsCYG data set which pertains to Hertzsprung-Russell Diagram Data of Star Cluster CYG OB1. The starsCYG data set is found in the robustbase R package. Try to load the starsCYG data set in R by issuing the following command at the console data("starsCYG"). This may load the data into a variable called starsCYG. If R says the starsCYG data set is not found, you can try installing the package by issuing this command install.packages("robustbase") and then attempt to reload the data with library("robustbase") followed by data("starsCYG"). Perhaps strangley, if R gives you no output after entering a command, it means the command succeeded. If it succeeded you can see the data by typing starsCYG at the command-line which should display the entire dataset.
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 starsCYG R data set. The size of this file is about 485 bytes.
Hertzsprung-Russell Diagram Data of Star Cluster CYG OB1
Data for the Hertzsprung-Russell Diagram of the Star Cluster CYG OB1, which contains 47 stars in the direction of Cygnus, from C.Doom. The first variable is the logarithm of the effective temperature at the surface of the star (Te) and the second one is the logarithm of its light intencity (L/L_0).
In the Hertzsprung-Russell diagram, which is the scatterplot of these
data points, where the log temperature is plotted from left to right,
two groups of points are seen:
A data frame with 47 observations on the following 2 variables
P. J. Rousseeuw and A. M. Leroy (1987) Robust Regression and Outlier Detection; Wiley, p.27, table 3.
data(starsCYG) plot(starsCYG) cst <- covMcd(starsCYG) lm.stars <- lm(log.light ~ log.Te, data = starsCYG) summary(lm.stars) plot(lm.stars) lts.stars <- ltsReg(log.light ~ log.Te, data = starsCYG) plot(lts.stars)
Dataset imported from https://www.r-project.org.
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