Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Encode string array values in Numpy
To encode string array values, use the numpy.char.encode() method in Python Numpy. The arr is the input array to be encoded. The "encoding" parameter sets the name of the encode. The set of available codecs comes from the Python standard library, and may be extended at runtime. The type of the result will depend on the encoding specified.
The numpy.char module provides a set of vectorized string operations for arrays of type numpy.str_ or numpy.bytes_.
Steps
At first, import the required library −
import numpy as np
Create a One-Dimensional array of string −
arr = np.array(['zbellazz' 'zztoMzzz' 'zzjohnzz' 'zzkatEzz' 'zzamyzzz' 'zzbradzz'])
Displaying our array −
print("Array...
",arr)Get the datatype −
print("
Array datatype...
",arr.dtype)
Get the dimensions of the Array −
print("
Array Dimensions...
",arr.ndim)Get the shape of the Array −
print("
Our Array Shape...
",arr.shape)Get the number of elements of the Array −
print("
Elements in the Array...
",arr.size)To encode string array values, use the numpy.char.encode() method in Python Numpy. The arr is the input array to be encoded. The "encoding" parameter sets the name of the encode −
print("
Result (encode)...
",np.char.encode(arr, encoding='cp037'))
Example
import numpy as np
# Create a One-Dimensional array of string
arr = np.array(['zbellazz' 'zztoMzzz' 'zzjohnzz' 'zzkatEzz' 'zzamyzzz' 'zzbradzz'])
# Displaying our array
print("Array...
",arr)
# Get the datatype
print("
Array datatype...
",arr.dtype)
# Get the dimensions of the Array
print("
Array Dimensions...
",arr.ndim)
# Get the shape of the Array
print("
Our Array Shape...
",arr.shape)
# Get the number of elements of the Array
print("
Elements in the Array...
",arr.size)
# To encode string array values, use the numpy.char.encode() method in Python Numpy
# The arr is the input array to be encoded
# The "encoding" parameter sets the name of the encode
print("
Result (encode)...
",np.char.encode(arr, encoding='cp037'))Output
Array... ['zbellazzzztoMzzzzzjohnzzzzkatEzzzzamyzzzzzbradzz'] Array datatype... <U48 Array Dimensions... 1 Our Array Shape... (1,) Elements in the Array... 1 Result (encode)... [b'\xa9\x82\x85\x93\x93\x81\xa9\xa9\xa9\xa9\xa3\x96\xd4\xa9\xa9\xa9\xa9\xa9\x91\x96\x88\x95\xa9\xa9\xa9\xa9\x92\x81\xa3\xc5\xa9\xa9\xa9\xa9\x81\x94\xa8\xa9\xa9\xa9\xa9\xa9\x82\x99\x81\x84\xa9\xa9']
835 Views
