Data cleaning is the documented process of detecting, investigating and resolving invalid, inconsistent, duplicate, incomplete or implausible records before analysis. Good cleaning preserves an audit trail and avoids deleting inconvenient data without a rule.
Read the full entry →Data quality, analytics and reporting
The path from raw data to a trustworthy decision: cleaning, coding, testing, visualisation, interpretation and executive reporting.
The path from raw data to a trustworthy decision: cleaning, coding, testing, visualisation, interpretation and executive reporting.
Is the data internally coherent? Is the effect meaningful as well as statistically visible? What decision follows the finding?
Data validation is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Read the full entry →Data-editing rules is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Read the full entry →Missing-data analysis is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Read the full entry →Outlier detection is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Read the full entry →Duplicate-response detection is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Read the full entry →Fraud detection is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Read the full entry →Logical-consistency checks is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Read the full entry →Range checks is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Read the full entry →Skip-logic verification is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Read the full entry →Open-end coding is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Read the full entry →Codeframe development is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Read the full entry →Automated coding is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Human coding is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Inter-coder reliability is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Data tabulation is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Cross-tabulation is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Banner tables is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Significance testing is a research approach within data quality, analytics and reporting used to reduce uncertainty around is the data internally coherent? The design should connect the business question, target population, evidence source, analysis and decision rule.
Statistical significance asks whether an observed pattern is unlikely under a specified null model; business significance asks whether the size and consequence of that pattern matter for a decision. A result can satisfy one test and fail the other.
Effect size is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Confidence intervals is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Read the full entry →Multiple-comparison correction is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Weighting data is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Derived variables is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Composite indices is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Scale construction is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Reliability testing is a research approach within data quality, analytics and reporting used to reduce uncertainty around is the data internally coherent? The design should connect the business question, target population, evidence source, analysis and decision rule.
Validity testing is a research approach within data quality, analytics and reporting used to reduce uncertainty around is the data internally coherent? The design should connect the business question, target population, evidence source, analysis and decision rule.
Norms and benchmarks is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Dashboard design is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Data visualisation is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Storytelling with data is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Executive-summary writing is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Insight versus observation is a decision comparison between Insight and observation. The useful question is not which is universally better, but which approach fits the objective, evidence, population, timing and consequence of error.
Implication versus recommendation is a decision comparison between Implication and recommendation. The useful question is not which is universally better, but which approach fits the objective, evidence, population, timing and consequence of error.
From data to decision is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
How to avoid overclaiming is a practical research workflow for moving from a decision question to a defensible design, evidence trail and action. The method should make assumptions, quality checks and interpretation rules explicit before data collection begins.
Causation versus correlation is a decision comparison between Causation and correlation. The useful question is not which is universally better, but which approach fits the objective, evidence, population, timing and consequence of error.
Research-report structure is a research approach within data quality, analytics and reporting used to reduce uncertainty around is the data internally coherent? The design should connect the business question, target population, evidence source, analysis and decision rule.
Reporting uncertainty is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Reporting limitations is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Verbatim selection is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
City-level analysis with small samples is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Segment-level analysis is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Heat maps is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Importance-performance maps is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Driver maps is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Perceptual maps is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Research scorecards is a research approach within data quality, analytics and reporting used to reduce uncertainty around is the data internally coherent? The design should connect the business question, target population, evidence source, analysis and decision rule.
Research repositories is a research approach within data quality, analytics and reporting used to reduce uncertainty around is the data internally coherent? The design should connect the business question, target population, evidence source, analysis and decision rule.
Knowledge-management systems is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Taxonomy design for insights is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Research-decision traceability is a research approach within data quality, analytics and reporting used to reduce uncertainty around is the data internally coherent? The design should connect the business question, target population, evidence source, analysis and decision rule.
Browse linked entries
Data cleaning
Data cleaning is the documented process of detecting, investigating and resolving invalid, inconsistent, duplicate, incomplete or implausible records before analysis. Good cleaning preserves an audit trail and avoids deleting inconvenient data without a rule.
Open entryData validation
Data validation is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryData-editing rules
Data-editing rules is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryMissing-data analysis
Missing-data analysis is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryOutlier detection
Outlier detection is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryDuplicate-response detection
Duplicate-response detection is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryFraud detection
Fraud detection is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryLogical-consistency checks
Logical-consistency checks is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryRange checks
Range checks is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entrySkip-logic verification
Skip-logic verification is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryOpen-end coding
Open-end coding is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryCodeframe development
Codeframe development is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryAutomated coding
Automated coding is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryHuman coding
Human coding is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryInter-coder reliability
Inter-coder reliability is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryData tabulation
Data tabulation is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryCross-tabulation
Cross-tabulation is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryBanner tables
Banner tables is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entrySignificance testing
Significance testing is a research approach within data quality, analytics and reporting used to reduce uncertainty around is the data internally coherent? The design should connect the business question, target population, evidence source, analysis and decision rule.
Open entryStatistical significance versus business significance
Statistical significance asks whether an observed pattern is unlikely under a specified null model; business significance asks whether the size and consequence of that pattern matter for a decision. A result can satisfy one test and fail the other.
Open entryEffect size
Effect size is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryConfidence intervals
Confidence intervals is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryMultiple-comparison correction
Multiple-comparison correction is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryWeighting data
Weighting data is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryDerived variables
Derived variables is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryComposite indices
Composite indices is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryScale construction
Scale construction is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryReliability testing
Reliability testing is a research approach within data quality, analytics and reporting used to reduce uncertainty around is the data internally coherent? The design should connect the business question, target population, evidence source, analysis and decision rule.
Open entryValidity testing
Validity testing is a research approach within data quality, analytics and reporting used to reduce uncertainty around is the data internally coherent? The design should connect the business question, target population, evidence source, analysis and decision rule.
Open entryNorms and benchmarks
Norms and benchmarks is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryDashboard design
Dashboard design is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryData visualisation
Data visualisation is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryStorytelling with data
Storytelling with data is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryExecutive-summary writing
Executive-summary writing is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryInsight versus observation
Insight versus observation is a decision comparison between Insight and observation. The useful question is not which is universally better, but which approach fits the objective, evidence, population, timing and consequence of error.
Open entryImplication versus recommendation
Implication versus recommendation is a decision comparison between Implication and recommendation. The useful question is not which is universally better, but which approach fits the objective, evidence, population, timing and consequence of error.
Open entryFrom data to decision
From data to decision is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryHow to avoid overclaiming
How to avoid overclaiming is a practical research workflow for moving from a decision question to a defensible design, evidence trail and action. The method should make assumptions, quality checks and interpretation rules explicit before data collection begins.
Open entryCausation versus correlation
Causation versus correlation is a decision comparison between Causation and correlation. The useful question is not which is universally better, but which approach fits the objective, evidence, population, timing and consequence of error.
Open entryResearch-report structure
Research-report structure is a research approach within data quality, analytics and reporting used to reduce uncertainty around is the data internally coherent? The design should connect the business question, target population, evidence source, analysis and decision rule.
Open entryReporting uncertainty
Reporting uncertainty is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryReporting limitations
Reporting limitations is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryVerbatim selection
Verbatim selection is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryCity-level analysis with small samples
City-level analysis with small samples is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entrySegment-level analysis
Segment-level analysis is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryHeat maps
Heat maps is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryImportance-performance maps
Importance-performance maps is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryDriver maps
Driver maps is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryPerceptual maps
Perceptual maps is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryResearch scorecards
Research scorecards is a research approach within data quality, analytics and reporting used to reduce uncertainty around is the data internally coherent? The design should connect the business question, target population, evidence source, analysis and decision rule.
Open entryResearch repositories
Research repositories is a research approach within data quality, analytics and reporting used to reduce uncertainty around is the data internally coherent? The design should connect the business question, target population, evidence source, analysis and decision rule.
Open entryKnowledge-management systems
Knowledge-management systems is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryTaxonomy design for insights
Taxonomy design for insights is a concept within data quality, analytics and reporting that helps organise evidence around is the data internally coherent? It should be defined operationally so different teams measure and interpret it consistently.
Open entryResearch-decision traceability
Research-decision traceability is a research approach within data quality, analytics and reporting used to reduce uncertainty around is the data internally coherent? The design should connect the business question, target population, evidence source, analysis and decision rule.
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