[Reading notes] Python Data Analysis (11) Economic and financial data applications

resample: resampling function that can increase or decrease the sampling frequency by time, Fill_method can use different filling methods.

Freq parameter enumeration for Pandas.data_range:

Alias	Description
B	Business Day Frequency
C	Custom Business Day Frequency
D	Calendar Day Frequency
W	Weekly frequency
M	Month End Frequency
Sm	Semi-month End Frequency (15th and end of month)
Bm	Business Month End Frequency
Cbm	Custom Business Month End frequency
Ms	Month Start frequency
Sms	Semi-month Start Frequency (1st and 15th)
Bms	Business Month start frequency
CBMS	Custom Business Month Start frequency
Q	Quarter End frequency
BQ	Business Quarter End frequency
Qs	Quarter Start frequency
BQS	Business Quarter Start frequency
A, Y	Year End frequency
BA, by	Business Year End frequency
As, YS	Year Start frequency
BAS, BYS	Business year Start frequency
Bh	Business Hour Frequency
H	Hourly frequency
T, Min	minutely frequency
S	Secondly frequency
L, MS	Milliseconds
U, US	microseconds
N	nanoseconds

[Reading notes] Python Data Analysis (11) Economic and financial data applications