SIEMPRE: A GIS aided multi-criteria decision analysis application ...

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SIEMPRE:
A GIS aided multi-criteria decision analysis
application for setting priorities
Bernardo Creamer, Jesús Rodríguez...

Complex problems that require multidisciplinary teams
Involve diversity of stakeholders (e.g. lower income population,
sma...

Example: Environmental impactEconomicImpact
Environmental impact
(more is bad)
Project 1
High cost
Project 2
Medium cost
P...

Analytical Hierarchy Process
AHP
Scoring methodology for multi-criteria decision
analysis (MCDA)
Categorizes empirical dat...

AHP levels
Goal,
Priority
Criterion
1
Criterion
2
Criterion
n…
Indicator a Indicator b Indicator c Indicator d Indicator x...

GAHP steps
1. Setting up the process: definition of goals, priorities, criteria
and indicators.
2. Quantitative prioritiza...

1. Setting up the process: definition of goals, priorities, criteria
and indicators.
• Goal:
• What is the final objective...

GAHP steps
2. Quantitative prioritization. From indicators to criteria
Weighted Overlay Spatial Analysis
a) Collection of ...

GAHP steps
3. Qualitative hierarchization. From criteria to goals and priorities.
Prioritizing criteria (by region)
a) Sur...

SIEMPRE:
Integrated System for Multicriteria
Evaluation of Policies and Strategies
Beta version:
http://siempre.ciat.cgiar...

Use of maps
Harvested Area
Children underweight
Weighted overlay
=

This exercise is a simulated survey by which we intend
to assess strategies or priorities for the beans
production sector ...

Goal:
• Contribute to the improvement of the socio-
economic conditions of the population living in
rural areas in Colombi...

Indicators (presented in maps)
1. Stunting among children
2. Harvested area (beans)
3. Yield (beans)
4. Yield gap (Best re...

AHP representation of the survey
Goal,
Priority
Criterion
1
Criterion
2
Criterion
n…
Indicator a Indicator b Indicator c I...

1. Evaluation Criteria weights
Respondents assign to each evaluation criteria a percentage weight
according to their impor...

 We simulated 200 responses to the multicriteria survey.
 For criteria assessment responses following a normal
distribut...

Poverty reduction Food security
Min 18 3
Mean. 40 36
Max. 70 61
Summary statistics of the Criteria
Assessment
Source: Own ...

Harvested area
Normalized data for common bean

Poverty reduction: resulting map

Deficiency in protein intake

Food security: Resulting map

Aggregated Map for survey Goal
The strategic
Geographic areas
Where bean production
Impacts the achievement
Of the Goal of...

The AHP method allows for an structured discussion of
complex problems, by dissagregating them into
different levels of im...

Siempre can be used in an iterive way to do sensitivity
analysis for different conditions or values for
options or strateg...

Thank you!
Gracias Siempre!
Beta version:
http://siempre.ciat.cgiar.org/

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