13 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…
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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)…
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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
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…
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Help videos for data publishers on datos.gob.es
Open data publishers in the National Catalog hosted in datos.gob.es have at their disposal several internal functionalities to easily manage their datasets and everything related to them.
To bring these possibilities closer to the registered users, from datos.gob.es we have prepared a series of…
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Characterization of the employment demand and registered contracting in Spain
1. Introduction
Data visualization is a task linked to data analysis that aims to represent graphically the underlying information. Visualizations play a fundamental role in data communication, since they allow to draw conclusions in a visual and understandable way, also allowing detection of…
- Data exercises
Teachers of public schools in Castilla y León
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
A practical introductory guide to exploratory data analysis
Before performing data analysis, for statistical or predictive purposes, for example through machine learning techniques, it is necessary to understand the raw material with which we are going to work. It is necessary to understand and evaluate the quality of the data in order to, among other…
- Guides
