Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Requirement Analysis
A process that determines the user expectations for a software product is called requirement analysis. In software engineering, requirement analysis is known as requirement engineering. It involves communication with end-users and stakeholders to determi…
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Could you please help me to solve this assessment the codes will be by using RStudio

X DB2 4 8pl X Download ادارة و تحليل * X Assessmen > X Microsoft X Microsoft 0 )A( واتساب أكاديمية قجر x Videos on X Mail - budo M1 إدارة و تحليل C:/Users/bebo2/Downloads/Lab%20Assessment%201.pdf | alo O LAB ASSESSMENT 1 Create a dataframe named employee using data.frame() function that consists of all information in the table below: 1. Emp_id Emp_name Year_join Salary 1001 John 2012 700.5 1002 Mary 2013 525.0 1003 Sara 2014 755.5 1004 Lynda 2014 900.2 1005 Thomas 2015 875.8 1006 Dan 2015 500.7 1007 Jenny 2015 1000.0 1008 Sam 2015 655.8 1009 Ryan 2016 800.5 1010 Rick 2016 977.5 2. Print the first 3 rows of the employee dataframe. 3. Print all records that contain employee name and salary. 4. Print the employee name that join after year 2014 by using subscript. 5. Print all records that contain employee id, year join and salary by using subscript. 6. Print records from row 3 to 7 that contain employee id and salary by using subscript. 7. Print employee id, year join and salary for employee that joined before year 2016. ull lia sI P
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Transcribed Image Text:X DB2 4 8pl X Download ادارة و تحليل * X Assessmen > X Microsoft X Microsoft 0 )A( واتساب أكاديمية قجر x Videos on X Mail - budo M1 إدارة و تحليل C:/Users/bebo2/Downloads/Lab%20Assessment%201.pdf | alo O LAB ASSESSMENT 1 Create a dataframe named employee using data.frame() function that consists of all information in the table below: 1. Emp_id Emp_name Year_join Salary 1001 John 2012 700.5 1002 Mary 2013 525.0 1003 Sara 2014 755.5 1004 Lynda 2014 900.2 1005 Thomas 2015 875.8 1006 Dan 2015 500.7 1007 Jenny 2015 1000.0 1008 Sam 2015 655.8 1009 Ryan 2016 800.5 1010 Rick 2016 977.5 2. Print the first 3 rows of the employee dataframe. 3. Print all records that contain employee name and salary. 4. Print the employee name that join after year 2014 by using subscript. 5. Print all records that contain employee id, year join and salary by using subscript. 6. Print records from row 3 to 7 that contain employee id and salary by using subscript. 7. Print employee id, year join and salary for employee that joined before year 2016. ull lia sI P
X DB2 4 Bplu x Download ادارة و تحليل * X Assessmen X Microsoft X Microsoft yluilg (A) O أكاديمية قجر x Videos on X Mail - budoD M1 إدارة و تحليل C:/Users/bebo2/Downloads/Lab%20Assessment%201.pdf | alo O 5. Print all records that contain employee id, year join and salary by using subscript. 6. Print records from row 3 to 7 that contain employee id and salary by using subscript. 7. Print employee id, year join and salary for employee that joined before year 2016. Show the employee dataframe after sorting by year join in descending order and by salary in ascending order. 8. 9. Print the summary statistics of the content of the employee dataframe. 10. Summarize the salary by year join by showing the mean value. NOTES: Run all your codes using RStudio. Work in a group of Submit only one solution. Write your names and IDs in comment of the code. #Name: #ID: Submit your solution in R format via Blackboard. Due date: 5 October 2020 oull lia SI p
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Transcribed Image Text:X DB2 4 Bplu x Download ادارة و تحليل * X Assessmen X Microsoft X Microsoft yluilg (A) O أكاديمية قجر x Videos on X Mail - budoD M1 إدارة و تحليل C:/Users/bebo2/Downloads/Lab%20Assessment%201.pdf | alo O 5. Print all records that contain employee id, year join and salary by using subscript. 6. Print records from row 3 to 7 that contain employee id and salary by using subscript. 7. Print employee id, year join and salary for employee that joined before year 2016. Show the employee dataframe after sorting by year join in descending order and by salary in ascending order. 8. 9. Print the summary statistics of the content of the employee dataframe. 10. Summarize the salary by year join by showing the mean value. NOTES: Run all your codes using RStudio. Work in a group of Submit only one solution. Write your names and IDs in comment of the code. #Name: #ID: Submit your solution in R format via Blackboard. Due date: 5 October 2020 oull lia SI p
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