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(MODULE 1) Demystifying Data Preparation and Cleansing

Data Preparation and Cleansing

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Rafael L. Gaca
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0% found this document useful (0 votes)
108 views17 pages

(MODULE 1) Demystifying Data Preparation and Cleansing

Data Preparation and Cleansing

Uploaded by

Rafael L. Gaca
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PPTX, PDF, TXT or read online on Scribd

SPECIALIZING TRAINING ON RESULTS-BASED

MONITORING AND EVALUATION


August 20-23, 2024
SPECIALIZING TRAINING ON RESULTS-BASED MONITORING AND EVALUATION
August 20-23, 2024

Demystifying Data
1 Preparation &
Cleansing
Understanding
the Data
Understanding the
Data
Data Source Data Type
Data
Familiarization

Erroneou
d
Dup l i cat e s
Entries Exploratory Relationships/
Entries
Analysis Trends
M is s i n g Data O ut l i ers Contextualizi
i e s
En Cleansing &
t r
ng with
Reprocessin Domain
g Knowledge
Data Value Chain Model
Data Collection,
Type, & Privacy

Appropriate Data Cleansing &


Interpretation Aggregation
Exploratory Data Analysis
Framework
Total

Ratio
Inferential
Analysis
Measure of
Central
Numerical Tendency Predictive
Summaries Measure of Analysis
Exploratory Variation
Data Tabulation
Shape
Prescriptive
& Analysis
Analysis Visualizatio
n Position
Why is it
important for
us to do data
cleansing?
DATA CLEANSING is the act of finding and removing errors,
inconsistencies, duplications, and missing entries from data to increase
data consistency and quality.

Duplicated Data

Consistency of Incomplete
Data Format Data
*Pivotal Table for Counting Duplicates

Step 1. Select the data ; Insert tab > Pivot Table

Step 2. Drag the column with potential duplicates into the


rows
MODULE 1: Demystifying Data Preparation and
Cleansing

HANDS-ON ACTIVITY
MODULE 1: Demystifying Data Visualization and
Storytelling

Key Principles in Data


Visualization and
Storytelling
Principle 1. Chart Design Principles
Principle 2. Intention in Presenting
Principle 3. Be Ethical
SPECIALIZING TRAINING ON RESULTS-BASED MONITORING AND EVALUATION
August 20-23, 2024

Demystifying Data
1 Preparation &
Cleansing

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