Chapter 06: Lecture Notes (CSIT 104) 1 Copyright © 2008 Pearson Prentice Hall. All rights reserved. 1 1 Copyright © 2008 Prentice-Hall. All rights reserved

Chapter 06: Lecture Notes (CSIT 104) 1Copyright © 2008 Pearson Prentice Hall. All rights reserved. 11Copyright © 2008 Prentice-Hall. All rights reserved.Committed to Shaping the Next Generation of IT Experts.

Chapter 6Data Tables and Amortization Tables

Exploring Microsoft Office Excel 2007

Chapter 06: Lecture Notes (CSIT 104) 2

Objectives

Separate and combine text Manipulate text with functions Identify and remove duplicate rows Group and subtotal data Work with windows Use conditional functions


Objectives (continued)

Create a nested IF function Use AND, OR, NOT, and IFERROR

functions Define the amortization table Use functions in amortization tables


Separate and Combine Text

Convert text to columns Use the Text to Columns command to split the contents in

one column into separate columns Allow enough columns to the right of the column to be split

so data is not overwritten Use the CONCATENATE function to combine text

entries Join two or more text strings into one text string Permits you to include the comma or space separators in

the text string Remove duplicate rows of data


Manipulate Text with Functions

The PROPER function capitalizes the first letter in a text string and any other letters in text that follow any character other than a letter

The UPPER function converts text strings to uppercase letters

The LOWER function converts all uppercase letters in a text string to lowercase

The SUBSTITUTE function substitutes new text for old text in a text string You use the SUBSTITUTE function when you want to

replace specific text in a text string


Manipulate Text with Functions

Text functions often used in combination or as Nested functions

Nested functions are functions within another function


Identify and Remove Duplicate Rows

If the table is large, it may be more difficult to identify duplicates

Use conditional formatting techniques to identify duplicates This creates a dynamic option and continues to

work even as records with duplicated values are added


Group and Subtotal Data

Grouping enables you to consolidate related rows or columns into single units You can then collapse the group to make it easier

to view only what you want to see Excel will not create an outline or group data

if no formulas exist in the worksheet





Use the Subtotal command to insert a subtotal row where the value of the designated field changes The Subtotal command uses a summary function

to compute subtotals within a sorted data table The records are grouped according to the value

of a specific field A grand total is displayed after the last record




Working with Windows

You may need to have several workbooks open at one time When you want to compare data from one workbook to

another, or When you want to combine data from several individual

workbooks in to one comprehensive workbook The arrangement of windows can be changed as

often as necessary to view the data you must work with



Splitting a window is the process of dividing a worksheet window into two or four resizable panes

A splitter control is the two-headed arrow in the scroll bar used to divide a window into panes Drag the horizontal splitter bar to divide the window pane

into upper and lower (horizontal) panes Drag the vertical splitter bar to split the window pane into

left and right (vertical) window panes This option will turn on synchronized scrolling which causes

cells in all panes to scroll at the same time



Horizontal splitter bar

Vertical splitter bar


Using Conditional Functions

Use SUMIF, COUNTIF, and AVERAGEIF to return the total, count, or average for one criterion

Use SUMIFS, COUNTIFS, and AVERAGEIFS to return a total, count, or average based on two criteria



The SUMIF function adds the cells specified by a given criteria

The COUNTIF function counts the number of cells within a range that meets the given criterion

The AVERAGEIF function returns the average of all the cells in a range that meets a given criterion





The SUMIFS function adds the cells in a range that meet multiple criteria

The COUNTIFS function counts the number of cells within a range that meet multiple criteria

The AVERAGEIFS function returns the average of all the cells that meet multiple criteria


Creating Nested IF Functions

The IF function enables two possible formulas: when the logical text is true, the first formula is

used when the logical test is false the second formula is

used By nesting multiple IF statements in one

formula, you can have more than two options


Using AND, OR, NOT, and IFERROR Functions

Use the AND function to test when more than one condition is met

Use the OR function to test whether any of the arguments are true

NOT functions reverse the logic, true becomes false and false becomes true It is not recommended that you use the NOT function

The IFERROR function returns a value you specify if a formula evaluates to an error


Define the Amortization Table

An amortization schedule shows the date of each loan payment, the amount of each payment that goes to principal and interest, and the remaining balance

Allows you to see how payments on a loan are distributed, eventually leading to a zero balance

Change any one parameter and all values recalculate automatically

Useful for purchases such as car loans and home mortgages


Define the Amortization Table


Use Functions in Amortization Tables

Use date functions DAY, MONTH, and YEAR for calculating payment dates, the actual number of payments, and the actual payoff date of a loan

Use the MATCH function to return the relative position of an item in an array that matches a specified value in a specified order



Use the INDEX function to return a value or the reference to a value within a table or range

Use the ROUND function to round a value to a specified number of digits

The PMT (payment) function is used to return a payment amount based on three required arguments; the interest rate per period, the number of periods, and the principal



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Chapter 06: Lecture Notes (CSIT 104) 1 Copyright © 2008 Pearson Prentice Hall. All rights reserved. 1 1 Copyright © 2008 Prentice-Hall. All rights reserved