machine learning - weka does not load c4.5 format files due to missing values -


i trying work on data set c4.5 format see here

somehow weka not load ad.names nor ad.data, keeps giving me error due missing values "?"

i tried load c45loader.java, same error. in case, do?

i know replace "?" mean of class value belongs to, dont want go down way, because won't me accurate result.

any suggestions?

update: found went wrong, it's whitespace in " ?" causes issue. it's ok

i found went wrong, it's whitespace in " ?" causes issue. it's ok now


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