INTERA:Formaldehyde concentrations in Europe

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Scope

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

Definition

Data

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

Unit

ugm^-3

Formula

+ Show code- Hide code form <- read.table("M:/Intera_data/Formaldehyde_EU.csv", header = TRUE, sep = ";", dec = ",", strip.white = TRUE, fill = TRUE) #.csv based on excel temp1 <- reshape(form[-(1:nrow(form))[duplicated(form[,1:5])],], idvar = c("Country", "City", "Year", "Environment", "Environment_spec"), times = colnames(form)[6:ncol(form)], timevar = "Parameter", varying = list(colnames(form)[6:ncol(form)]), direction = "long") #reshaped from 2d value representation to 1d temp2 <- reshape(form[(1:nrow(form))[duplicated(form[,1:5])],], idvar = c("Country", "City", "Year", "Environment", "Environment_spec"), times = colnames(form)[6:ncol(form)], timevar = "Parameter", varying = list(colnames(form)[6:ncol(form)]), direction = "long") #resh form <- rbind(temp1,temp2) colnames(form)[7] <- "Result" form[is.na(form$Result),"Result"] <- "" form[form$Result=="","Result"] <- NA #library(OpasnetBaseUtils) #op_baseWrite("opasnet_base", form)

Result

If possible, a numerical expression or distribution.

Related files

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INTERA:Formaldehyde concentrations in Europe. Opasnet . [1]. Accessed 16 Mar 2025.