using Dates
dateReported = map((x) -> string(x), df[:DateReported])
df[:DateOccurred] = map((x) -> if 
match(r"^((19|20)\d\d)(0[1-9]|1[012])(0[1-9]|[12][0-9]|3[01])", x)!=nothing 
Date(x, DateFormat("yyyymmdd")) end, dateOccurred)

I am trying to change type of a dataframe column to Date from Int64.

The last statement returns an error

Date not defined
while loading In[18], in expression starting on line 1

 in anonymous at In[18]:1
 in map at /Users/ajkale/.julia/v0.3/DataArrays/src/datavector.jl:117

I am trying this in the ipython julia notebook. This works fine in the REPL 
though.

Asked this on stackoverflow as 
well 
http://stackoverflow.com/questions/27094669/date-not-working-in-ipython-notebook-but-works-on-julia-repl/27112355#27112355


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