http://pandas.pydata.org/pandas-docs/stable/10min.html
import pandas as pd
res = pd.read_table("ttest/ttest_expression.tsv",sep=",")
col_names = res.columns
row_indexs = res.index
res[0:0]
res[0:3]
res[0:3]["MU_1"]
res["SYMBOL"]
get the row values
res["MU_1"]
res["MU_1"][1]
res["MU_1"][0:9]
res.index = res[res.columns[0]]
res["MU_1"]["ABCC6"]
### get the row values
Selection by Label¶
res.loc["ABCA2"]
res.loc["ABCA2","MU_1"]
res.loc[["ABCA2","ABCA3"],"MU_1"]
res.loc[["ABCA2","ABCA3"],["MU_1","MU_3"]]
res.loc[:,["MU_1","MU_3"]]
res.loc[["ABCA2","ABCA3"]]
res.iloc[3:5,0:2]
m =res.to_dict()
m.keys()