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Differences between a domain name and a URL

Posted on May 21, 2025 by Vincent Kofi Amedekah

l’m going to differentiate domain name and URL in this post and tell you little about how you can obtain a name to represent you on the web . In the wake of the internet, computers(servers) are assigned some numbers which are called IP(Internet Protocol) address. It is very hard to remember those numbers so […]

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Introduction to Powerful and free statistical software: R and R Commander Package

Posted on February 6, 2016 by Vincent Kofi Amedekah

Technology has given us lot of convenience over almost every day to day task and it’s good to take advantage of it. I’m going to explain how to use a free statistics software to get most of your statistics analysis done pretty easy. Now, l’m not actually explaining concepts in statistics but l think it’s […]

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How to solve blackberry torch 9800 keypad failure

Posted on May 21, 2025 by Vincent Kofi Amedekah

I have to say every method l’m going to describe below is not guaranteed to fix anyone’s problem, read and follow everything here at your own risk. I like blackberry phones but l’ve never had one till AT&T adopted the blackberry torch 9800. I love the phone because of the availability of the keypad in […]

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Integrating drivers in Windows XP to install on PCs that come with SATA Hard drives

Posted on May 21, 2025 by Vincent Kofi Amedekah

This post discusses a little issue you might face when you are trying to install windows XP on a computer that comes with Serial ATA (SATA or Serial Advanced Technologies Attachement) bus interface. This type of computer systems are the easiest to install because they don’t have  jumper settings on the hard drive but if […]

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Vincent Kofi Amedekah

  • How to ensure high quality data in our data systems
  • SQL Interview prep quiz 2 : Explain the difference between CTE and a subquery and give some advantages of using one over the other in OLAP vs OLTP systems
  • SQL interview prep quiz 1: Write sql code to print the letters of the English alphabet in upper case without explicitly writing the letters.
  • Evaluating car class using the k nearest neighbor algorithm from the scikit-learn Machine learning library in Python
  • Predicting the future price of Bitcon using time series analysis
  • Supply Chain Big Data Analysis To Predict Late Delivery Risk Of Customer Orders
  • Differences between aggregation and composition in Python Class
  • How to use analytic functions First_value and Last_value introduced in SQL Server 2012
  • How to use SQL Server extension ROLLUP to summarize data
  • Data profiling using SQL Server Integration Services – SSIS
  • OS questions
  • Restore database in sql server
  • Back up database in SQL Server.
  • Ping database in sql server.
  • Shrink database in sql Server.
  • Next word prediction application- Data Science Capstone
  • SQL Script to populate Date Dimension table in the Data warehouse.
  • Machine Learning predicting quality of exercise performed using smart wearable device data.
  • Comparing accuracy of prediction of Alzheimer’s diagnosis by Machine Learning Algorithms Random Forest, Boosted Trees and Linear Discriminant Analysis to a stack prediction of all the three Algorithms.
  • Brief introduction to the R package caret for Machine Learning.
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