simple graph types
TRANSCRIPT
Types of Simple GraphsTypes of Simple Graphs
Line ChartsArea ChartsColumn ChartsBar Charts
Segmented Bar / Column Charts100% Segmented Bar/Column Charts
Pie ChartsDoughnut Charts
Which Chart?Which Chart?
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Charts shown in this presentationCharts shown in this presentation
This slide is taken from a “ must-visit ” site http://www.extremepresentation.com/
Line ChartsLine Charts
Use line charts to showChange in Variables / trends over timeLong rows of continuous data of variablesCompare and correlate two parameters over a period of time.
X axis to conventionally display time interval Y axis to display the data variables
Note : Line graph connects two actual or real data points at different time intervals. Hence, any point between the two actual or real data points should not be considered as actual value of the variable.
Sales of East Zone by QTR - 2009
0
10
20
30
40
50
Jan-
10
Feb-
10
Mar
-10
Apr
-10
May
-10
Jun-
10
Jul-1
0
Aug
-10
Sep-
10
Oct
-10
Nov
-10
Dec
-10
Sale
s in
Rup
ees
Target 30.6 38.6 34.6 31.6 30.6 38.6 34.6 31.6 30.6 38.6 34.6 31.6
Sales 32.7 40.3 38.2 30 32.6 38.7 35 33 31 39 33 36
Jan-10 Feb-10 Mar-10 Apr-10 May-10 Jun-10 Jul-10 Aug-10 Sep-10 Oct-10 Nov-10 Dec-10
Line Chart exampleLine Chart example
As Data labels may clutter the chart, a data table is used to show the variablesAs the data Table has the legend Included, No separate legend was given
Area ChartsArea Charts
Area Charts are similar to line chartsUse area charts to
Relative contributions over timeShow cumulated data over a period of time
Eg: YTD Sales Vs YTD Target progress
Area Charts show change in volume or quantum over time
Area Charts ExampleArea Charts Example
Cumulated Monthly Sales Progress Vs Target - Zone 1 - Y 2010
050
100150200250300350400450Ja
n-10
Feb-
10
Mar
-10
Apr-1
0
May
-10
Jun-
10
Jul-1
0
Aug-
10
Sep-
10
Oct
-10
Nov-
10
Dec-
10
Sale
s in
K E
uro
Sales 34.5 76 115 152 179 221.5 252 292 326 364.5 392 427.5
Target 30.6 69.2 103.8 135.4 166 204.6 239.2 270.8 301.4 340 374.6 406.2
Jan-10 Feb-10 Mar-10 Apr-10 May-10 Jun-10 Jul-10 Aug-10 Sep-10 Oct-10 Nov-10 Dec-10
Column ChartColumn Chart
Use column charts to Display how values change over timeCompare data of single items at specific time intervalsCompare multiple sets of variables of nominal data
Nominal data – e.g.: Territories, individuals etc.
Convention is - data categories on horizontal axis and the values along the vertical axis
Note :If the number of time intervals or units of Nominal data are many, use line charts as the data gets cluttered and the essence of the chat may be lost
Column Charts exampleColumn Charts example
Sales of East Zone by QTR - 2009
20.427.4
90
20.4
30.638.6 34.6 31.6
45.9 46.9 45 43.9
0102030405060708090
100
1st Qtr 2nd Qtr 3rd Qtr 4th Qtr
Quarters in 2009
Sale
s in
Rup
ees
Zone 1
Zone 2
Zone 3
Bar Charts exampleBar Charts example
This chart type is similar to a column chart Values are plotted horizontally rather than vertically. Hence, more emphasis on comparison, rather than time.
Customary to arrange variables in a descending order.
Bar Charts ExampleBar Charts Example
Incremental Sales - YTD Mar'10 Vs.YTD Mar'09
Brand 1, -5Brand 2, -14
Brand 3, -18Brand 4, -21
Brand 5, 43Brand 6, 44
Brand 7, 49Brand 8, 52
Brand 9, 62Brand 10, 79
Brand 11, 86Brand 12, 102
-50 0 50 100 150
Sales in K euro
Bar / Column - Sub typesBar / Column - Sub types
1. Segmented Bar /Column chart
Values are stacked on each other2. 100% Segmented
The percentage of each value is stacked
Segmented Column/Bar ChartSegmented Column/Bar Chart
Use segmented bars or columns to...Present a part -whole relation over time Show proportional relationships over time Show sub-elements which contribute to the overall column or bar and changes from one period to another.
Segmented column/bar charts are more accurate than pie chart, because distances can be more accurately estimated than areas.
Segmented Column Chart Segmented Column Chart ExampleExample
Sales of zones by quarters-2010
20.4 27.4
90
20.4
30.638.6
34.6
31.6
45.946.9
45
43.9
0
20
40
60
80
100
120
140
160
180
1st Qtr 2nd Qtr 3rd Qtr 4th Qtr
Zone 1 Zone 2 Zone 3
100% Segmented Column Chart100% Segmented Column Chart
Contribution of zones by Quarters-2010
20.4 27.4
90
20.4
30.638.6
34.6
31.6
45.9 46.945
43.9
0%
10%
20%30%
40%
50%
60%
70%80%
90%
100%
1st Qtr 2nd Qtr 3rd Qtr 4th Qtr
Zone 1 Zone 2 Zone 3
Pie ChartPie Chart
Use pie chart toCompare Parts to Whole at a given point of timeEither the value or Percent to whole can be representedCan plot only one data series as snap shot at a specific timeIdeal only if the number of categories are less than 6
Note : Too many slices in the pie can clutter a pie chart . It is customary to club many small slides in to a category called “Others”. Incase the details are needed , a combination of Pie and a Bar Char are used
Pie Chart ExamplePie Chart Example
Contribution of Sales in K euros by Zones 2010
27.4
20.420.4
90
North South East West
Doughnut ChartDoughnut Chart
This chart is similar to a pie chart. It shows the relationship of the parts to the whole. In this type of chart, it is possible to chart more than one data series to compare
Doughnut Chart exampleDoughnut Chart example
Sales of Zones 2009 Vs.2010
Y09, 20.4
Y09, 27.4
Y10, 28.6
Y09, 36
Y09, 38
Y10, 34.8
Y10, 42
Y10, 34.9
Zone 1
Zone 2
Zone 3
Zone 4
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