Tech Journal

목차 제1절 데이터와 정보 제2절 데이터베이스 정의와 특징 제3절 데이터베이스 활용 1. 데이터의 정의 데이터란 무엇인가? 데이터(Data)는 라틴어 ‘dare(주다)’에서 유래된 ‘Datum(주어진 것, 자료)’에서 비롯된 용어로, 본래는 연구나 조사, 분석 등의 기반이 되는 정보를 뜻한다. 최초의 문헌 기록은 1646년 영국에서 발견되며, 당시에는 개념적이고 추상적인 의미로 사용되었다. 이후 20세기 중반 컴퓨터의 등장과 함께 데이터는 기술적이고 사실적인 의미로 확장되었으며, 현재는 디지털 환경에서 핵심 자원으로 간주된다. 데이터의 특성 ... Read More

Project Report: Predicting Country-Level Happiness Scores Project Overview This project investigates the relationship between countries’ happiness scores and key economic and social indicators. It aims to build a robust predictive model while addressing data quality challenges such as missing values and inconsist... Read More

So far, you have been introduced to the PACE framework and learned how it provides a clear foundation and structure for data analysis projects. You also learned the PACE is an acronym; each one of the letters represents an actionable stage in project: plan, analyse, construct, and execute. In this reading, you will ... Read More

As you’ve been learning, there are many steps that go into preparing for your job search in the data career space. Before you even start applying for jobs, it’s important that you take two key steps. You need to build a professional online presence and develop your portfolio to showcase your skills to potential empl... Read More

Activity Overview You have learned that many data professionals now use conversational AI tools like Gemini and ChatGPT to help them analyse their data and boost their productivity. Gemini and ChatGPT are both large language models(LLMs) that are trained on massive datasets of text and code. LLMs can generate human... Read More