Python - Probability - Dice rolls sum
# You roll together 5 fair, six-sided dices. # 1. What is the probability that the sum of the five dices is equal to 19 ? 13.9% # 2. What...
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Mar 12, 2022
Python and PySpark - Credit score - Loan propensity
Sample datafile is providing numerical and categorical variables for each case id. We can calculate final score for each case id and see...
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Mar 3, 2022
PySpark - Linear regression for categorical features
# PySpark # LINEAR REGRESSION FOR CATEGORICAL FEATURES !pip install pyspark pip install findspark import findspark # Use pandas to import...
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Feb 28, 2022
PySpark - Data Frame Basic Operations in Google Colaboratory
# PySpark - Data Frame !pip install pyspark pip install findspark import findspark # Use pandas to import csv import pandas as pd...
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Feb 28, 2022
PySpark - Mac Terminal Commands
Below are the basic Mac Terminal Commands to set up Anaconda, PySpark and Java on Mac for Jupyter or Colaboratory. 1. Revise in Terminal...
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Feb 17, 2022
Python - Time Series Forecast - 5. Regression
Time Series Forecast Steps: 1. Identification of time series type 2. Seasonality tests 3. Stationarity tests 4. Decomposition 5....
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Feb 17, 2022
Python - Time Series Forecast - 3. Stationarity
Time Series Forecast Steps: 1. Identification of Time Series Type 2. Seasonality Tests 3. Stationarity Tests 4. Decomposition 5....
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Feb 16, 2022
Python - Time Series Forecast - 4. Decomposition
There are many types of time series based on data: additive, multiplicative, other temporal structures. Before time series forecast we...
290
Jan 28, 2022
Python - Classification - Random Forest
Many years ago I used the Random Forest methodology in R Studio to calculate the feature importance in Coffee Data Set. Random forests...
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Jan 24, 2022
Python - fizzbuzz function
Fizz Buzz is an old group word game for children. It is a very simple programming task, used in software developer job interviews, to...
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Jan 23, 2022
Python - RFM segmentation - Retail example
RFM segmentation is the basic customer segmentation based on recency, frequency and monetary value of customer. Recency (R): When was the...
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Nov 15, 2021
Python - chatbot - nltk
Chatbot characteristics are small data set, very simple analytics and primitive communication function. The first chatbots were ...
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Nov 15, 2021
Python - www operations - advertools
We can analyze marketing productivity, keywords, searched data, tables, information by google, e.g. on wikipedia, audience, marketing...
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Nov 9, 2021
Python - Text CAPTCHA - captcha
CAPTCHA / Completely Automated Public Turing test to tell Computers and Humans Apart / package is for authentication, provides entry to...
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Sep 20, 2021
Python - Next word prediction - nltk
We can change customer attention in text document. If we use in an article more words, which are focused on group, a reader will focus...
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Sep 13, 2021
Python - Triplets, Coprime and Prime numbers
Lets remember some easy calculation, either prime numbers, coprime numbers or triplets are important part of a base for more...
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Aug 13, 2021
Python - Sentiment Analytics - Tweepy
There are many areas, how sentiment analytics could bring better business performance. Python offers various approaches to sentiment and...
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Jul 26, 2021
Python - Economics - Capital Intensity - Line Chart - Matplotlib
There are 3 basic types of market efficiency: allocative, operational and informative. Assets per employee is one of many operational...
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Jul 21, 2021
Python - Bar Chart - Matplotlib
Basic Bar Chart example to compare Total Assets by Bank in years 2011 - 2020. from pandas import read_csv from matplotlib import pyplot...
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Jul 19, 2021
Finance - Annual Report - Dictionary
Assets under management - client assets under management. Basic earnings per share - basic EPS = (Net income – Preferred dividend) /...
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Jul 3, 2021
R Studio - Text Analytics - Corpus Inspection
There are several areas in R Studio Text Analytics, which can be examined. One of the main tasks is to explore the text Corpus. I use the...
2060
Jun 13, 2021
R Studio - Proportion Data - Survfit, Survreg
The R Book ( Michael Crawley, ISBN: 978-0-470-97392-9 ) and its chapter 16 inspired me to run the code and pick up the most suitable...
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May 21, 2021
Python - Binary Bootstrap Sample
The code provides Yes/No prediction, fitting binary bootstrap sample for mistakes in data entries. Leo Breiman was (1928 – 2005)...
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