R Dataset / Package robustbase / NOxEmissions
On this Picostat.com statistics page, you will find information about the NOxEmissions data set which pertains to NOx Air Pollution Data. The NOxEmissions data set is found in the robustbase R package. Try to load the NOxEmissions data set in R by issuing the following command at the console data("NOxEmissions"). This may load the data into a variable called NOxEmissions. If R says the NOxEmissions 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("NOxEmissions"). 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 NOxEmissions 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 NOxEmissions R data set. The size of this file is about 458,290 bytes.
NOx Air Pollution Data
A typical medium sized environmental data set with hourly measurements of NOx pollution content in the ambient air.
A data frame with 8088 observations on the following 4 variables.
The original data set had more observations, but with missing values.
Here, all cases with missing values were omitted
René Locher (at ZHAW, Switzerland).
another NOx dataset,
data(NOxEmissions) plot(LNOx ~ LNOxEm, data = NOxEmissions, cex = 0.25, col = "gray30")## Not run: ## these take too much time -- ## p = 340 ==> already Least Squares is not fast (lmNOx <- lm(LNOx ~ . ,data = NOxEmissions)) plot(lmNOx) #-> indication of 1 outlier M.NOx <- MASS::rlm(LNOx ~ . , data = NOxEmissions) ## M-estimation works ## whereas MM-estimation fails: try(MM.NOx <- MASS::rlm(LNOx ~ . , data = NOxEmissions, method = "MM")) ## namely because S-estimation fails: try(lts.NOx <- ltsReg(LNOx ~ . , data = NOxEmissions)) try(lmR.NOx <- lmrob (LNOx ~ . , data = NOxEmissions))## End(Not run)
Dataset imported from https://www.r-project.org.
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