# Competences — data analyst

Source: ESCO v1.2.1 occupation-skill relations (http://data.europa.eu/esco/occupation/d3edb8f8-3a06-47a0-8fb9-9b212c006aa2).

## Essential

- **analyse big data** (skill/competence)
- **apply statistical analysis techniques** (skill/competence)
- **business analytics** (knowledge)
- **business intelligence** (knowledge)
- **collect ICT data** (skill/competence)
- **data engineering** (knowledge)
- **data ethics** (knowledge)
- **data mining** (knowledge)
- **data models** (knowledge)
- **data quality assessment** (knowledge)
- **data science** (knowledge)
- **data visualisation software** (knowledge)
- **define data quality criteria** (skill/competence)
- **digital data processing** (nan)
- **documentation types** (knowledge)
- **establish data processes** (skill/competence)
- **execute analytical mathematical calculations** (skill/competence)
- **handle data samples** (skill/competence)
- **implement data quality processes** (skill/competence)
- **information categorisation** (knowledge)
- **information confidentiality** (knowledge)
- **information extraction** (knowledge)
- **information structure** (knowledge)
- **integrate ICT data** (skill/competence)
- **interpret current data** (skill/competence)
- **manage data** (skill/competence)
- **normalise data** (skill/competence)
- **perform data cleansing** (skill/competence)
- **perform data mining** (skill/competence)
- **query languages** (knowledge)
- **resource description framework query language** (knowledge)
- **statistics** (knowledge)
- **unstructured data** (knowledge)
- **use data processing techniques** (skill/competence)
- **use databases** (skill/competence)
- **visual presentation techniques** (knowledge)

## Optional

- cloud technologies (knowledge)
- create data models (skill/competence)
- data storage (knowledge)
- database (knowledge)
- deliver visual presentation of data (skill/competence)
- game theory (knowledge)
- gather data for forensic purposes (skill/competence)
- Hadoop (knowledge)
- healthcare analytics (knowledge)
- image recognition (knowledge)
- information architecture (knowledge)
- LDAP (knowledge)
- LINQ (knowledge)
- make data-driven decisions (skill/competence)
- manage cloud data and storage (skill/competence)
- manage data collection systems (skill/competence)
- manage quantitative data (skill/competence)
- marketing analytics (knowledge)
- MDX (knowledge)
- multidisciplinary research (knowledge)
- N1QL (knowledge)
- online analytical processing (knowledge)
- report analysis results (skill/competence)
- research design (knowledge)
- social network analysis (knowledge)
- SPARQL (knowledge)
- statistical modeling techniques (knowledge)
- store digital data and systems (skill/competence)
- use spreadsheets software (skill/competence)
- web analytics (knowledge)
- XQuery (knowledge)

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## Market evidence (job-ad analysis, 22 ads, as of 2026-07-11)

Share of analyzed job ads mentioning the item (threshold ≥ 20 %). Source: JSearch/Adzuna APIs.

### Hard skills

- data analysis — **86 %**
- statistical analysis — **32 %**
- data visualization — **18 %**

### Responsibilities

- data analysis — **27 %**
- data collection — **23 %**
- data visualization — **18 %**

<!-- market-evidence -->