Category Archives: Statistical Techniques

Measures of Central Tendency :An Overview

Posted on September 23, 2016 by

A measure of central tendency is a single representative value that attempts to describe a set of data by identifying the central position within that set of data. As such, measures of central tendency are sometimes called measures of central … Continue reading →

Posted in Class Notes, Geography Practicals/Lab and Statistical Techniques, Statistical Techniques | Tagged | 1 Comment

Scales in Geography: An Overview and Simple Method of Constructing Scales

Posted on January 9, 2016 by

The word scale is generally used for an instrument used for drawing straight lines. But actually in Geographer’s language scale means the proportion or ratio between the dimensions adopted for the map and the corresponding dimensions on the ground. It … Continue reading →

Posted in Geography Practicals/Lab and Statistical Techniques, map making, Statistical Techniques | 6 Comments

GIS:Spatial Data

Posted on June 19, 2008 by

SPATIAL DATA TYPES In a GIS, the Locational information is provided in maps by using Points, Lines and Polygons. These geometric descriptions are the basic data elements of a map. 1. Points: They are represented as a single ‘Dot ‘on … Continue reading →

Posted in GIS, Remote Sensing 101, Statistical Techniques | Leave a comment

Pie Chart

Posted on March 1, 2008 by

A pie chart is a circular chart divided into sectors, illustrating relative magnitudes or frequencies or percents. In a pie chart, the arc length of each sector (and consequently its central angle and area), is proportional to the quantity it … Continue reading →

Posted in Geography Practicals/Lab and Statistical Techniques, Graphical Representation, Statistical Techniques, Uncategorized | 3 Comments