熊猫“ Freq”标签的文档在哪里？

Question

我是Pandas的新手，正在尝试使用date_range。我遇到了freq，BME和这样的各种好东西，BMS而且我希望能够快速查找适当的字符串以得到我想要的东西。昨天我在文档中的某个地方找到了一个格式良好的表，但是该表的标题太钝了，以至于我今天无法使用搜索再次找到它。

Answer 1

您可以找到它称为Offset Aliases：

为有用的通用时间序列频率提供了许多字符串别名。我们将这些别名称为偏移别名。

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