哪些值在 Pandas 的“Freq"标签中有效? [英] What values are valid in Pandas 'Freq' tags?
问题描述
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 BME
和 BMS
,我希望能够快速查找正确的字符串得到我想要的.昨天我在文档的某个地方找到了一个格式很好的表格,但是表格的标题太晦涩了,我今天无法使用搜索再次找到它.
I am new to Pandas, and am trying to use date_range
. I came across all kinds of good things for freq
, like BME
and BMS
and I would like to be able to quickly look up the proper strings to get what I want. Yesterday I found a nicely formatted table somewhere in the documentation, but the title of the table was so obtuse that I can not use search to find it again today.
哪些值在 Pandas 的Freq"标签中有效?
What values are valid in Pandas 'Freq' tags?
推荐答案
你可以找到它叫做 偏移别名:
为有用的常见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.
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
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