pd.to_numeric(df_last["분양가격(㎡)"]) 입력 시 Attribute에러

---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-48-81b59ab90859> in <module>
----> 1 pd.to_numeric(df_last["분양가격(㎡)"])

C:\ProgramData\Anaconda3\lib\site-packages\numpy\__init__.py in __getattr__(attr)
    301                 return Tester
    302 
--> 303             raise AttributeError("module {!r} has no attribute "
    304                                  "{!r}".format(__name__, attr))
    305 

AttributeError: module 'numpy' has no attribute 'to_numeric'