Chris Anderson wrote:
I am new to R, and I need to do some simple data cleaning.
In the example below I have 164 rows of data with a missing value. I want to convert these missing to unknown while keeping the other values as is.
summary(ABIClinical$HasSkinBreakdown)
no unknown yes
164 914 163 178
When I did the following code:
ABIClinical$HasSkinBreakdown<-ifelse(ABIClinical$HasSkinBreakdown=='',"unknown",ABIClinical$HasSkinBreakdown)
If it is already a factor you can say:
ABIClinical$HasSkinBreakdown[ABIClinical$HasSkinBreakdown==""] <- "unknown"
You probably thought about the point to code something as "unknown"
rather than NA...
Uwe Ligges
I get the following:
summary(ABIClinical$HasSkinBreakdown)
Length Class Mode
1419 character character
How do I get results as in my first statement,but with the missing values converted to
"unknown"?
Chris Anderson
707.315.8486
www.sassydeals4u.com
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