معالجة البيانات من غير نظيفة إلى نظيفة from Coursera

هذه هي الدورة التدريبية الرابعة في شهادة تحليلات البيانات من Google. ستزودك هذه الدورات بالمهارات اللازمة للتقدم لوظائف محلل البيانات على المستوى التمهيدي. في هذه الدورة التدريبية، ستستمر في بناء فهمك لتحليلات البيانات والمفاهيم والأدوات التي يستخدمها محللو البيانات في عملهم. ستتعلم كيفية التحقق من بياناتك وتنظيفها باستخدام جداول البيانات وSQL وكذلك كيفية التحقق من نتائج تنظيف البيانات وإبلاغها. سيستمر محللو بيانات Google الحاليون بإرشادك وتزويدك بالطرق العملية لإنجاز مهام محلل البيانات الشائعة باستخدام أفضل الأدوات والموارد.

سيتم تجهيز المتعلمين الذين يكملون برنامج الشهادة هذا للتقدم لوظائف المستوى التمهيدي كمحللين بيانات. لا تلزم خبرة سابقة.

بنهاية هذه الدورة، ستكون قادرًا على:

- تعلم كيفية التحقق من سلامة البيانات.

- اكتشاف تقنيات تنظيف البيانات باستخدام جداول البيانات.

- إنشاء استعلامات SQL الأساسية للاستخدام مع قواعد البيانات.

- تطبيق دوال SQL الأساسية لتنظيف البيانات وتحويلها.

- اكتساب فهم لكيفية التحقق من نتائج تنظيف البيانات.

- استكشاف عناصر تقارير تنظيف البيانات وأهميتها.

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Syllabus

أهمية السلامة

عندما تبدأ في التفكير في كيفية تحضير بياناتك للاستكشاف، سيوضح هذا الجزء من الدورة التدريبية سبب أهمية سلامة البيانات في اتخاذ القرار الناجح. ستتعرف على كيفية إنشاء البيانات والأساليب التي يستخدمها المحللون لتحديد البيانات التي يجب جمعها للتحليل. وسوف تستكشف البيانات المهيكلة وغير المهيكلة وأنواع البيانات وتنسيقات البيانات.

بيانات نظيفة تمامًا

يريد كل محلل بيانات استخدام بيانات نظيفة عند إجراء تحليل. في هذا الجزء من الدورة، ستتعرف على الفرق بين البيانات النظيفة وغير النظيفة. ستستكشف أيضًا تقنيات تنظيف البيانات باستخدام جداول البيانات والأدوات الأخرى.

تنظيف البيانات باستخدام SQL

إن معرفة مجموعة متنوعة من طرق تنظيف البيانات يمكن أن تجعل مهمة المحلل أسهل بكثير. في هذا الجزء من الدورة التدريبية، ستتعرف على كيفية تنظيف بياناتك باستخدام SQL. وسوف تستكشف الاستعلامات والدوال التي يمكنك استخدامها في SQL لتنظيف بياناتك وتحويلها للاستعداد للتحليل.

التحقق من نتائج التنظيف والإعلام عنها

يعد تنظيف بياناتك خطوة أساسية في عملية تحليل البيانات. يعد التحقق من التنظيف والإعلام عنه طريقة لإظهار أن بياناتك جاهزة للخطوة التالية. في هذا الجزء من الدورة التدريبية، سوف تكتشف العمليات المتضمنة في التحقق من تنظيف البيانات والإعلام به بالإضافة إلى فوائده.

اختياري: إضافة البيانات إلى سيرتك الذاتية

سيساعدك إنشاء سيرة ذاتية فعّالة في المسار الوظيفي لتحليلات البيانات. في هذا الجزء من الدورة التدريبية، ستتعلم كل شيء عن عملية التقدم للوظيفة مع التركيز على صياغة سيرة ذاتية تسلط الضوء على نقاط قوتك وخبرتك القابلة للتطبيق. حتى إذا كنت لا تتقدم للوظائف بعد، يظل الوقت مناسبًا لتحسين سيرتك الذاتية. إنه مثل تدريب الربيع للموسم الأول في دوري كبير - لا تريد أن يفوتك!

تحدي الدورة

استعد لتحدي الدورة من خلال مراجعة المصطلحات والتعريفات في المسرد. بعد ذلك، اشرح معرفتك بأهمية حجم العينة، وسلامة البيانات، وربط البيانات بأهداف العمل أثناء الاختبار. ستتاح لك أيضًا فرصة لتطبيق مهاراتك في أساليب تنظيف البيانات في كل من جداول البيانات وSQL. وأخيرًا، قم بتوثيق عملية ونتائج تنظيف البيانات والإعلام عنها والتحقق منها.

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Know what's good

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Explores concepts and tools commonly used by practicing data analysts

Builds on skills and knowledge from preceding courses in this Google Career Certificate series

Covers advanced data cleaning techniques including data verification, SQL queries, and data transformation

Develops skills in presenting and reporting data cleaning results

Provides practical guidance from experienced Google data analysts

Can be taken by individuals with no prior experience in data analysis

Career center

Learners who complete معالجة البيانات من غير نظيفة إلى نظيفة will develop knowledge and skills that may be useful to these careers:

Data Analyst

Data Analysts sift through large amounts of structured and unstructured data, cleaning and analyzing it to identify trends and patterns that can help businesses make informed decisions. This course teaches you the skills needed to go from raw, messy data to clean, structured data that can be easily analyzed. You'll learn how to use spreadsheets and SQL to clean data, as well as how to verify and report on your results. With this course under your belt, you'll be equipped with sought-after skills that will make you a valuable asset to any organization looking to make data-driven decisions.

See salaries and explore the career path for Data Analyst

Data Engineer

Data Engineers design, build, and maintain the systems that store and process data for businesses. They play a vital role in ensuring that data is clean, accurate, and accessible to the people who need it. This course teaches you the fundamentals of data engineering, including how to clean and prepare data for analysis. You'll also learn about data storage and management techniques. With this course under your belt, you'll be well-prepared for a career in data engineering.

See salaries and explore the career path for Data Engineer

Data Scientist

Data Scientists use their knowledge of statistics, programming, and machine learning to extract insights from data. They work on a variety of problems, including fraud detection, customer segmentation, and predictive analytics. This course teaches you the foundational skills you need to become a Data Scientist, including how to clean and prepare data for analysis. You'll also learn about data mining techniques and machine learning algorithms. With this course under your belt, you'll be well-prepared for a career in Data Science.

See salaries and explore the career path for Data Scientist

Business Analyst

Business Analysts help businesses understand their data and make better decisions. They work with stakeholders to identify business needs, gather data, and analyze it to provide insights. This course teaches you the skills you need to become a Business Analyst, including how to clean and prepare data for analysis. You'll also learn about data visualization and presentation techniques. With this course under your belt, you'll be well-prepared for a career in Business Analysis.

See salaries and explore the career path for Business Analyst

Database Administrator

Database Administrators are responsible for the performance and security of databases. They work with database software to ensure that data is stored efficiently and securely. This course teaches you the basics of database administration, including how to clean and prepare data for storage. You'll also learn about data backup and recovery techniques. With this course under your belt, you'll be well-prepared for a career in Database Administration.

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Statistician

Statisticians use their knowledge of statistics to collect, analyze, and interpret data. They work on a variety of problems, including market research, clinical trials, and public health. This course teaches you the foundational skills you need to become a Statistician, including how to clean and prepare data for analysis. You'll also learn about statistical methods and data visualization techniques. With this course under your belt, you'll be well-prepared for a career in Statistics.

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Software Engineer

Software Engineers design, develop, and maintain software systems. They work on a variety of projects, including web applications, mobile apps, and enterprise software. This course teaches you the foundational skills you need to become a Software Engineer, including how to clean and prepare data for processing. You'll also learn about software design and development techniques. With this course under your belt, you'll be well-prepared for a career in Software Engineering.

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Data Architect

Data Architects design and build the data infrastructure that supports an organization's business needs. They work with stakeholders to understand data requirements and develop data models. This course teaches you the basics of data architecture, including how to clean and prepare data for storage and analysis. You'll also learn about data modeling techniques and data governance best practices. With this course under your belt, you'll be well-prepared for a career in Data Architecture.

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Machine Learning Engineer

Machine Learning Engineers design and develop machine learning models. They work on a variety of projects, including fraud detection, image recognition, and natural language processing. This course teaches you the foundational skills you need to become a Machine Learning Engineer, including how to clean and prepare data for training machine learning models. You'll also learn about machine learning algorithms and model evaluation techniques. With this course under your belt, you'll be well-prepared for a career in Machine Learning Engineering.

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Information Security Analyst

Information Security Analysts protect an organization's data from unauthorized access, use, disclosure, disruption, modification, or destruction. They work with stakeholders to identify and mitigate security risks. This course may be useful for you if you're interested in learning more about data security and privacy. You'll learn about data protection techniques and how to respond to security breaches.

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Auditor

Auditors examine an organization's financial records and operations to ensure that they are accurate and compliant with regulations. They may also provide consulting services to help organizations improve their internal controls. This course may be useful for you if you're interested in learning more about data analysis and reporting. You'll learn about data auditing techniques and how to prepare audit reports.

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Financial Analyst

Financial Analysts use their knowledge of finance and economics to analyze financial data and make investment recommendations. They work with clients to develop investment strategies and manage portfolios. This course may be useful for you if you're interested in learning more about data analysis and financial modeling. You'll learn about financial analysis techniques and how to use data to make investment decisions.

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Market Researcher

Market Researchers collect and analyze data about markets and consumers. They help businesses understand their customers and make better decisions about product development and marketing campaigns. This course may be useful for you if you're interested in learning more about data collection and analysis. You'll learn about market research techniques and how to use data to make informed decisions.

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Product Manager

Product Managers are responsible for the development and launch of new products. They work with stakeholders to define product requirements, manage product development, and launch new products to market. This course may be useful for you if you're interested in learning more about data analysis and product development. You'll learn about product management techniques and how to use data to make product decisions.

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Consultant

Consultants provide advice and guidance to businesses on a variety of topics, including data analysis, strategy, and operations. They work with clients to identify and solve problems and improve performance. This course may be useful for you if you're interested in learning more about data analysis and consulting. You'll learn about consulting techniques and how to use data to solve business problems.

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معالجة البيانات من غير نظيفة إلى نظيفة

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