“fréquence des pandas” Réponses codées

Changer la fréquence en colonne en pandas

print df['status'].value_counts()
N    14
S     4
C     2
Name: status, dtype: int64

counts = df['status'].value_counts().to_dict()
print counts
{'S': 4, 'C': 2, 'N': 14}
Courageous Copperhead

Série de données à DateTime

pd.to_datetime(your_series)
Magnificent Moth

Tout décalage de fréquence dans les pandas

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
Helpless Hare

Créer des tables de fréquence dans les pandas

table = pd.crosstab(df.column1, df.column2)
josh.ipynb

fréquence des pandas

# # frequancy calculation. Es. vogliamo sapere la frequenza dei paesi per continente
# print(df.groupby('continent')['country'].nunique())
Anxious Alligator

Réponses similaires à “fréquence des pandas”

Questions similaires à “fréquence des pandas”

Plus de réponses similaires à “fréquence des pandas” dans Python

Parcourir les réponses de code populaires par langue

Parcourir d'autres langages de code

Shell/Bash
C#
C++
C
CSS
HTML
Java
JavaScript
Objective-C
PHP
Python
Sql
Swift
Ruby
TypeScript
Go
Kotlin
Assembly
R
VBA
Scala
Rust
Dart
Elixir
Clojure
Haskell
Matlab
Erlang
Cobol
Fortran
Scheme
Perl
Groovy
Lua
Julia
Delphi
Abap
Lisp
Prolog
Pascal
ActionScript
Basic
Solidity
PowerShell
GDScript
Excel