58 documents found
Technical guide: Data version control
Data possesses a fluid and complex nature: it changes, grows, and evolves constantly, displaying a volatility that profoundly differentiates it from source code. To respond to the challenge of reliably managing this evolution, we have developed the new 'Technical Guide: Data Version Control'.
This…
- Guides
A practical introductory guide to exploratory data analysis in Python
The following presents a new guide to Exploratory Data Analysis (EDA) implemented in Python, which evolves and complements the version published in R in 2021. This update responds to the needs of an increasingly diverse community in the field of data science.
Exploratory Data Analysis (EDA)…
- Guides
Analysis of toxicological findings in road traffic accidents
1. Introduction
Visualizations are graphical representations of data that allows comunication in a simple and effective way the information linked to it. The visualization possibilities are very wide, from basic representations, such as a graph of lines, bars or sectors, to visualizations…
- Data exercises
Features for the creation of data spaces
A data space is an ecosystem where, on a voluntary basis, the data of its participants (public sector, large and small technology or business companies, individuals, research organizations, etc.) are pooled. Thus, under a context of sovereignty, trust and security, products or services can be…
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Characteristics of the Spanish University students and most demanded degrees
1. Introduction
Visualizations are graphical representations of data that allow to transmit in a simple and effective way the information linked to them. The visualization potential is very wide, from basic representations, such as a graph of lines, bars or sectors, to visualizations configured on…
- Data exercises
How many accidents occur in the city of Madrid?
1. Introduction
Data visualization is a task linked to data analysis that aims to graphically represent underlying data information. Visualizations play a fundamental role in the communication function that data possess, since they allow to drawn conclusions in a visual and understandable way,…
- Data exercises
How to deal with a data analysis project?
By analysing data, we can discover meaningful patterns and gain insights that lead to informed decision making. But good data analysis needs to be methodical and follow a series of steps in an orderly fashion. In this video (in Spanish) we give you some tips on the steps to follow:
The importance…
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Practical guide for the publication of linked data
It is important to publish open data following a series of guidelines that facilitate its reuse, including the use of common schemas, such as standard formats, ontologies and vocabularies. In this way, datasets published by different organizations will be more homogeneous and users will be able to…
- Guides
Creating word clouds from the text data with NLP techniques
1. Introduction
Visualizations are a graphic representation that allow us to comprehend in a simple way the information that the data contains. Thanks to visual elements, such as graphs, maps or word clouds, visualizations also help to explain trends, patterns, or outliers that data may present.…
- Data exercises
Help videos for data reusers in datos.gob.es
In a platform such as datos.gob.es, where the frequency of dataset updates is constant, it is necessary to have mechanisms that facilitate massive and automatic queries.
In datos.gob.es we have an API and a SPARQL point to facilitate this task. Both tools allow querying the metadata associated with…
- Guides
