frames and series

gistfile1.txt

In [4]: df = pd.DataFrame({"a": [1, 2, 3], "b": [4, 5, 6]}, index=["x", "y", "z"])

In [5]: df
Out[5]: 
   a  b
x  1  4
y  2  5
z  3  6

In [6]: df["a"]
Out[6]: 
x    1
y    2
z    3
Name: a, dtype: int64

In [7]: df["a"].values
Out[7]: array([1, 2, 3])

In [10]: df["a"].loc["y"]
Out[10]: 2

In [12]: df["b"]
Out[12]: 
x    4
y    5
z    6
Name: b, dtype: int64

In [13]: df["b"].loc["z"]
Out[13]: 6

In [14]: type(df["a"])
Out[14]: pandas.core.series.Series