7.4 Usage of charts and graphs

PIE CHARTS

Øwhen have only one data series.

Øwhen the total of something is known.

Øto show the pieces that make it up.

Øto show the percentage of total comparison.

LINE CHARTS

-can display continuous data over time.

-can compare the data among years

-can show trends in a data at equal intervals.

BAR GRAPHS

qIt's easy to compare sets of

 data between different groups

 at a glance.

qThe relationship of the data

 between the x and y axes is

 easy to see.

qThey are effective in

 presenting trends or changes

 over time.

AREA CHART

qrepresent cumulated totals using

 numbers or percentages (stacked area

 charts in this case) over time.

qfor showing trends over time among

 related attributes.

qthe area chart is like the plot chart

 except that the area below the plotted line

 is filled in with colour to indicate volume.

qwhen multiple attributes are included,

 the first attribute is plotted as a line with

colour fill followed by the second attribute,

 and so on.

RADAR

 CHARTS

Øcompare between the best one to

 choose.

Ø display multivariate observations

 with an arbitrary number of

 variables.

Ødisplay the performance metrics of

any on going program

http://fluidsurveys.com/university/use-different-chart-types/ Scroll