INTERA:Benzene concentrations in Europe: Difference between revisions

Revision as of 07:18, 14 April 2011

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The Benzene concentrations in indoor, outdoor and personal measurements in several European countries.

Data is obtained from various studies (like Expolis). Refs are added later.

ugm^-3

Code used for reading and transforming the source csv file can be found on an earlier version of this page.

INTERA:Benzene concentrations in Europe. Opasnet . [1]. Accessed 24 Oct 2025.

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 === Formula ===
-<rcode>
+Code used for reading and transforming the source csv file can be found on [http://en.opasnet.org/en-opwiki/index.php?title=INTERA:Benzene_concentrations_in_Europe&oldid=19402 an earlier version of this page].
-benz <- read.table("M:/Intera_data/Benzene_EU.csv", header = TRUE, sep = ";", dec = ",", strip.white = TRUE) #.csv based on excel
-benz <- reshape(benz, idvar = c("Country", "City", "Year", "Environment", "Environment_spec"),
-times = colnames(benz)[6:ncol(benz)], timevar = "Parameter", varying =
-list(colnames(benz)[6:ncol(benz)]), direction = "long") #reshaped from 2d value representation to 1d
-colnames(benz)[7] <- "Result"
-benz[benz$Environment=="indoor", "Environment"] <- "Indoor"
-#levels(benz$Environment_spec) <- gsub("'", "", levels(benz$Environment_spec))
-#library(OpasnetBaseUtils)
-#op_baseWrite("opasnet_base", benz)
-</rcode>
 == Result ==