Pandas 'Freq' 标签中哪些值有效?

What values are valid in Pandas 'Freq' tags?

我是 Pandas 的新手,正在尝试使用 date_range。我遇到了 freq 的各种好东西,比如 BMEBMS,我希望能够快速查找合适的字符串以获得我想要的。昨天我在文档的某处找到了一个格式很好的 table,但是 table 的标题太过晦涩以至于我今天无法使用搜索再次找到它。

哪些值在 Pandas 'Freq' 标签中有效?

你可以找到它 Offset Aliases:

A number of string aliases are given to useful common time series frequencies. We will refer to these aliases as offset aliases.

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