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  • SQL Server
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About:vincentamedekah@gmail.com

Posts by vincentamedekah@gmail.com :

Fundamentals of Statistics Practice questions

Posted on September 11, 2011 by Vincent Kofi Amedekah

These are bunch of statistics questions anyone can practice to test their capability in handling statistical data.Anyone can submit their answers using the comment box to any of the questions and l’ll reply if its right or wrong. If you are have problem solving any of the questions, please submit a request for the solution […]

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Dehumanization of Africans by Europeans during the Slave trade.

Posted on September 9, 2011 by Vincent Kofi Amedekah

Dehumanization is the act of making someone less of a person. Europeans have attempted various ways to dehumanize Africans. First, Europeans ripped Africans off their identity. They have introduced European religious belief and ways of life and condemned the traditions of the African people. This has resulted in the lost of many original African traditions […]

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Differences between a domain name and a URL

Posted on January 25, 2019 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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Vincent Kofi Amedekah

  • 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.
  • 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
  • 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.
  • Notes on SDLC Models
  • SQL Procedure to allow registration of only employees of your company for your site.
  • ETL Process in Data Warehouse
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