This is a guide on Python List comprehension. List comprehension is a great way to write simple and easy to read Python codes. You can use it dictionaries and sets as well. Credits to Corey Schafer , creator of Python course materials. lets create a list In [115]: num = range(10) num Out[115]: [0, 1,…
Group By FunctionThis is a quick look at Python groupby function. Very powerful and useful function. We will take a simple look at it here. Credits to Data School , creator of Python course materials. lets import sample dataset In [18]: import pandas as pd In [19]: drinks = pd.read_csv(‘http://bit.ly/drinksbycountry’) In [20]: #lets check the head…
Pandas iloc, loc, and ix functions are very powerful ways to quickly select data from your dataframe. Today , we take a quick look at these 3 functions. Credits to Data School, you can check him out in Youtube In [1]: import pandas as pd In [2]: #lets get this public dataset and play with it…
In this guide, we take a look at Natural Language Processing, NLP in Python. Natural Language is a very extensive topic and very powerful machine learning algorithm you can build. This is very useful in many areas of most industries. Credits to Jose Portilla, creator of Learning Python for Data Analysis and Visualization course on Udemy …
When you have a script running and you have logs set , you might also want to send yourself or colleagues, email alerts in case things go wrong or simply to let you know that your scripts ran to completion without any problems. In this short notes, we take a look at sending email…
After writing your script, you might want to schedule it to run periodically, let’s say, Daily, Weekly or Any Time interval you will decide Before you schedule that you want to simply create a batch file and schedule it run with a Windows Scheduler. Here are simple steps to do that. First of all, if…
If you have some Python scripts which rely on some packages that need a different version other than the version your Python Spyder uses, you can simply use Python Virtualenv to run Spyder IDE . This will save you a lot of headache and you can simply continue with your development projects. This tutorial will…
In this notes, we are looking at a simple but yet useful and powerful logging in Python In [77]: import logging #levels of logging are #1 debug – detailed info #2 info – confirmation that things went according to plan #3 warning – something unexpected happened #4 error – some function failed #5 critical -…
This is some quick notes about getting stock data from Yahoo and plotting it using Matplotlib . The Python version used is Python 3.5 Credits to sentdex. You can check him out on Youtube. In [11]: import matplotlib.pyplot as plt import numpy as np import urllib import matplotlib.dates as mdate import urllib.request %matplotlib inline #%matplotlib qt #%matplotlib notebook…
This is some quick notes about graphing or plotting graphs with Matplotlib in Python. Credits to sentdex. You can check him out on Youtube. import matplotlib.pyplot as plt %matplotlib inline # simple syntax is matplotlib plots as plt.plot(x, y) plt.plot([1,2,3], [5,6,7]) plt.show() In [4]: # plotting with variables and basic labelling of our plot x = [1,2,3]…
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