am new using ODK, tried so many times to use relevance in odk build with no
positive feedback,
how do i set skipping pattern in my form (using odk build?)
I tried to write this in relevance row:
"If answer is '2' in question Q9_Cough then jump to Q11_Cough"
when I tried to run this error occured.
I need help please....
can you post a form example? xml or xls?
Thanks
Angelo
am new using ODK, tried so many times to use relevance in odk build with
no positive feedback,
how do i set skipping pattern in my form (using odk build?)I tried to write this in relevance row:
"If answer is '2' in question Q9_Cough then jump to Q11_Cough"
when I tried to run this error occured.I need help please....
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Hi Rebecca
under relevance in Q11, write this
${var Q11}=2
where var Q11 is the variable you have used for question 11 and 2 is the
value input for question 9 (2 can be an option being selected in the
choices)
Share your xls form if you can.
Hi Rebecca,
Please use the opendatakit@ list for questions about using the software.
This list (opendatakit-developers@) is for people writing the software.
The constraint and relevance expressions are not english-language
expressions.
They are formulas written in the javarosa expression language.
This is largely documented here:
If you write forms in Excel and use the XLSForm tool, you would express
fields using the ${fieldname} syntax.
If you are using Build, you would write the expressions in the form used in
the underlying XML.
The underlying XML syntax to refer to a field is either an absolute
reference:
/data/pathtofield/fieldname
or a relative reference, where "." refers to the current fieldname and ".."
refers to the parent of the current fieldname.
The 'pathtofield' is a slash/separated list of enclosing groups and repeat
groups.
In general, you should avoid using an absolute reference to a field within
a repeat group. The only exception is when using the indexed-repeat()
function.
If you have 3 fieldnames, 'q1', 'q2' and 'q3', with 'q3' being within a
group 'g', then the absolute references for these are:
/data/q1
/data/q2
/data/g/q3
If you wanted a constraint on the value of q2 such that it has the value
'red' if the answer to q1 is 'green' then you could write (for the
constraint on q2):
/data/q1 != 'green' or . = 'red'
This could also be written as
../q1 != 'green' or . = 'red'
If you wanted a constraint on q3 so that it did not match either of the
answers for q1 or q2, you would write:
. != /data/q1 and . != /data/q2
Or, using relative paths,
. != ../../q1 and . != ../../q2
On Sun, Feb 8, 2015 at 9:30 PM, Saduma sirahimahs@gmail.com wrote:
Hi Rebecca
under relevance in Q11, write this${var Q11}=2
where var Q11 is the variable you have used for question 11 and 2 is the
value input for question 9 (2 can be an option being selected in the
choices)Share your xls form if you can.
On Saturday, February 7, 2015 at 3:52:46 PM UTC+3, Rebecca Chaula wrote:
am new using ODK, tried so many times to use relevance in odk build with
no positive feedback,
how do i set skipping pattern in my form (using odk build?)I tried to write this in relevance row:
"If answer is '2' in question Q9_Cough then jump to Q11_Cough"
when I tried to run this error occured.I need help please....
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Mitch Sundt
Software Engineer
University of Washington
mitchellsundt@gmail.com