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,
In this quick notes, we will have a look at Rank and Sort in Series and DataFrames in Python In [1]: import numpy as np import pandas as pd from pandas import Series, DataFrame In [3]: #make a series ser1 = Series(range(3), index=[‘C’,’A’,’B’]) ser1 Out[3]: C 0 A 1 B 2 dtype: int32 In [4]:
Summarizing Data This week we are looking at five most common aggregate functions used to summarize information stored in tables: COUNT and SUM very frequently. COUNT is the only aggregate function that can work on any type of variable. The other four aggregate functions are only appropriate for numerical data. All aggregate functions require you
Having started my journey in Data Science. I came across Mean Squared Error several times and realised how important that concept is. Then I started working on project and needed to really understand what Mean Squared Error is ? So what is Mean Squared Error ? Simply, let’s say you are building your model. And
I worked with a World Bank Dataset provided by the Course instructors. The research question was: Prediction of Adjusted Net National Income Per Capita of Countries Brief Introduction to the Research Question The purpose of this project was to identify the best predictors for Adjusted Net National Income Per Capita of countries from multiple World
What is population size: In simple terms, let’s us say population is the WHOLE SET and What is sample size: let us say it is the SUBSET (which is within the whole set) The norm Normally subsets are within the whole set and are smaller than the whole set Can they be equal ? Yes
I know this can be very simple and straightforward for most people, but hey, when i was beginning to program in Python, I did not know how to get the Python Idle running. Hence l cover that quickly here. It is assumed you have already downloaded and installed Python on your windows PC You can
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