Re: [R] Missing Values in Logical Expressions

project.org] On Behalf Of > g.maub...@weinwolf.de > Sent: Tuesday, April 26, 2016 10:10 AM > To: r-help@r-project.org > Subject: [R] Missing Values in Logical Expressions > > Hi All, > > I need to evaluate missing values in my data. I am able to filter these values > and

Re: [R] Missing Values in Logical Expressions

Hi Georg, You could just use this: Umsatz_2011<-c(1,2,3,4,5,NA,7,8,NA,10) Kunde_2011<-rep(0:1,5) Check_Kunde_2011<- c("OK","Check")[as.numeric(is.na(Umsatz_2011) & Kunde_2011 == 1)+1] Check_Kunde_2011 will be a vector of strings. Jim On Tue, Apr 26, 2016 at 6:09 PM, wrote: > Hi All, > > I n

[R] Missing Values in Logical Expressions

Hi All, I need to evaluate missing values in my data. I am able to filter these values and do simple statistics on it. But I do need new variables based on variables with missing values in my dataset: Check_Kunde_2011 <- ifelse(is.na(Umsatz_2011) == TRUE & Kunde_2011 == 1, 1, 0) Check_Kunde_20