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Just my notes on Python
Basics # for comments string with " or ' ; to have multiple commands in the same line case sensitive Operators +, -, *, / ** exponential % division rest // division without rest (int) + also to concatenate strings * also with strings: "a"...
import numpy as np mylist = [1, 2, 3] #list x = np.array(mylist) #convert list to array Numpy y = np.array([4, 5, 6]) #built an array Numpy r = np.arange(36) #array with number from 0 to 35 r[0] #first array element r[0]=10 #change first...
For dataframes import pandas as pd Date FormatReadSave csvpd.read_csv()df.to_csv() jsonpd.read_json()df.to_json() excelpd.read_excel()df.to_excel() hdfpd.read_hdf()df.to_hdf() sqlpd.read_sql()df.to_sql() df = pd.read_csv('folder/file.cs...
You can write small anonymous function with Lambda: exclamation = (lambda a : a + '!') exclamation('hello') echo = (lambda word, e: world*e) echo('hello',5) map() with lambda functionsmap() applies a function over an object l = ['a', 'b', 'c', 'd']...
ERROR HANDLING WITH TRY-EXCEPT def echo(word, e=1): """Concatenate echo copies of a word""" try: echo_word = word * e except: print("word must be a string and echo must be an integer.") return echo_word Call the fu...
GOAL: PREDICT THE PRICE import pandas as pd import numpy as np path='https://s3-api.us-geo.objectstorage.softlayer.net/cf-courses-data/CognitiveClass/DA0101EN/automobileEDA.csv' #(path='C:/Users/figinim/Documents/Studies/IBM/Resources/automobileEDA....