This girl tells me she can't figure me out. what does it mean?

this girl in my college class told me the other day : i'm usualy good at reading people but i can't figure you out. she's outgoing and loud type of girl. what do you think it means?
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+1 y
if you want more detail (i've studied body language a bit):
-sometimes she glances at me in class and sometimes directly stares at me in the hallways
-her feet are pointed towards me when we talk and she makes a lot of eye contact when talking
-i think she likes talking to me because sometimes she comes to begin conversation
-sometimes she is very friendly and sometimes she ignores me (i did the same thing aftter she didà
This girl tells me she can't figure me out. what does it mean?
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