Tech Journal

You’ve encountered many Python operators already. Many of them likely feel very familar to you. After all, there’s nothing novel about addition and subtraction in Python. But there are many more operators than the ones used for basic arithmetic! Operators are characters that enact specific arithmetic, logical action... Read More

As you’ve been learning, functions are bodies of reusable code for performing specific processes or tasks. They help you do more work with less code. Function examples include: A specific calculation or measurement, such as converting Fahrenheit to Celsius An inventory utility to iterate quantitie... Read More

Copyright 2025 Google LLC. # @title Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # https://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writin... Read More

목차 제1절 R 기초 제2절 데이터 마트 제3절 결측값 처리와 이상값 검색 1. 데이터 마트의 이해 데이터 마트(Data Mart)란? 효율적인 데이터 분석을 위해서는 데이터를 체계적으로 준비할 필요가 있습니다. 따라서 데이터 분석을 하기에 앞서 분석 목적에 맞춰 데이터를 수집, 변형하는 과정이 필요합니다. 데이터 마트란 데이터 웨어하우스로부터 특정 사용자가 관심을 갖는 데이터들을 주제별(예: 고객분석, 제품 판매), 부서별(예: 마케팅, 영업)로 추출하여 사용 목적에 따라 가공한 분석 전용 데이터 저장소라 할 수 있습니다. 이렇게 분석 목적별,... Read More

Activity: Functions Introduction In this lab, you will practice defining functions and returning values, writing clean code, and using comments to scaffold code. As a data professional, you’ll often need to reuse the same block of code more than once when you’re writing Python code to automate a certain task. Thi... Read More