Hi Lauren,
As Sarah noted, if your blank responses are coming as NAs, it may be
best to leave them alone until you have done the calculations:
survey$responses<-!is.na(survey[,c("q1","q2","q3")])
survey$sum_survey<-rowSums(survey[,c("q1","q2","q3")],na.rm=TRUE)
# the next line returns a logical ve
Hi Lauren,
I'm not entirely sure what your sample code is suppoesd to do, since
it isn't complete R code, and it would be much easier to answer your
question if you provided sample data and didn't post in HTML.
dput(head(survey))
would be enough sample data, most likely.
But if I'm understandin
Lauren,
The easier that you make it for us to help you, the more likely you
are to get help and the more helpful the answers will be.
First, please post in plain text (not HTML). Second, reproducible
code (including sample data) helps us help you.
Your code above is incorrect, the 3 lines with
M
y dataset includes a survey completed by research participants to evaluate
quality of life. A few things regarding the survey:
-
*not all questions must be answered for the total score *
- questions left blank are coded as "0"
- the number of questions answered must be determined in
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