{"id":249,"date":"2026-01-12T18:48:18","date_gmt":"2026-01-12T18:48:18","guid":{"rendered":"https:\/\/olgamironczuk.pl\/?page_id=249"},"modified":"2026-06-29T13:50:21","modified_gmt":"2026-06-29T12:50:21","slug":"certyfikaty","status":"publish","type":"page","link":"https:\/\/olgamironczuk.pl\/en\/certyfikaty\/","title":{"rendered":"Certificates"},"content":{"rendered":"
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\n \"Kurs\n <\/div>\n\n
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Looker Studio Course \u2014 Data Analysis and Visualization from the Ground Up<\/h2>\n\n \n\n
\n strefakursow.pl<\/strong> | Published:<\/strong> February 2026\n <\/div>\n\n
\n Certificate confirming completion of a practical training in Looker Studio, covering the creation of business reports and dashboards as well as working with data from multiple sources. The course focused on the end-to-end reporting process: from data collection and preparation, through visualization design, to automation and interpretation of results.\n <\/div>\n\n <\/div>\n\n <\/div>\n <\/div>\n<\/div>\n\n\n\n
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\n \"Kurs\n <\/div>\n\n
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Google Analytics 4 Course for Beginners<\/h2>\n\n \n\n
\n strefakursow.pl<\/strong> | Published:<\/strong> February 2026\n <\/div>\n\n
\n Certificate confirming completion of the training \u201cGoogle Analytics 4 for Beginners\u201d, covering the fundamentals of web analytics, including: GA4 structure, events, reports, data interpretation, and key concepts related to website traffic analysis. The training was completed on the Strefa Kurs\u00f3w platform.\n <\/div>\n\n <\/div>\n\n <\/div>\n <\/div>\n<\/div>\n\n\n\n
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\n \"Certyfikat\n <\/div>\n\n
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Google Analytics Certification<\/h2>\n\n \"Google\"\n\n
\n Google<\/strong> | Published:<\/strong> January 2026\n <\/div>\n\n
\n The certificate confirms practical knowledge of Google Analytics 4 in the areas of tool configuration, measurement framework design, and working with data for business and marketing analysis purposes. It covers the ability to consciously define events and metrics, work with standard and exploratory reports, and interpret data in the context of online performance and decision-making. The certification focuses on using data in decision-making processes rather than solely on operating the tool\u2019s interface.\n <\/div>\n\n \n \n View certificate\n <\/a>\n\n <\/div>\n\n <\/div>\n <\/div>\n<\/div>\n\n\n\n
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\n \"Certyfikat\n <\/div>\n\n
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KajoDataPath \u2013 analytical program<\/h2>\n \"KajoDataSpace\"\n\n
KajoDataSpace<\/strong> | Published:<\/strong> December 2025<\/div>\n\n
\n Comprehensive training program covering data analysis in Excel, SQL, and Python, as well as data visualization in Tableau.
\n The certificate confirms hands-on completion of the full analytics process: from working with raw source data and preparing it for analysis, through data exploration and analysis, to building SQL queries, Python scripts (pandas, EDA), and creating clear visualizations and dashboards. The program focused on solving real analytical problems and developing coherent metric logic, rather than learning tools in isolation.\n <\/div>\n <\/div>\n\n <\/div>\n <\/div>\n<\/div>\n\n\n\n
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\n \"Analiza\n <\/div>\n\n
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Data Analysis in Python<\/h2>\n \"KajoDataSpace\"\n\n
KajoDataSpace<\/strong> | Published:<\/strong> December 2025<\/div>\n\n
\n Certificate of Completion \u2013 Data Analysis in Python<\/b>
\nFundamentals of Python programming (data types, variables, data structures, functions, error handling), working with various data formats, data exploration and analysis (EDA), data visualization, and using the pandas library for processing and analyzing business data. The course focused on solving practical analytical problems using real-world datasets.\n <\/div>\n <\/div>\n\n <\/div>\n <\/div>\n<\/div>\n\n\n\n
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\n \"Analiza\n <\/div>\n\n
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Data Analysis and Visualization in Tableau<\/h2>\n \"KajoDataSpace\"\n\n
KajoDataSpace<\/strong> | Published:<\/strong> November 2025<\/div>\n\n
\n Certificate of Completion \u2013 Data Analysis and Visualization in Tableau<\/b>
\n\nCreating charts and dashboards, calculations, parameters and filters, data import and joining, Level of Detail (LOD) expressions, data blending, and the fundamentals of visual data storytelling.\n <\/div>\n <\/div>\n\n <\/div>\n <\/div>\n<\/div>\n\n\n\n
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\n \"Transformacja\n <\/div>\n\n
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Data Transformation and Analysis in Power Query<\/h2>\n \"KajoDataSpace\"\n\n
KajoDataSpace<\/strong> | Published:<\/strong> October 2025<\/div>\n\n
\n Certificate of Completion \u2013 Data Transformation and Analysis in Power Query<\/b>
\n\nData transformation and analysis in Power Query (M): importing data from multiple sources, cleaning, merging and appending queries (merge\/append), grouping, pivot\/unpivot operations, conditional columns, and data type assignment.\n <\/div>\n <\/div>\n\n <\/div>\n <\/div>\n<\/div>\n\n\n\n
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\n \"Analiza\n <\/div>\n\n
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Data Analysis in SQL<\/h2>\n \"KajoDataSpace\"\n\n
KajoDataSpace<\/strong> | Published:<\/strong> September 2025<\/div>\n\n
\n Certificate of Completion \u2013 Data Analysis in SQL<\/b>
\n\nLearning SQL with a focus on data analysis, including creating, modifying and deleting database objects, and working in MySQL and PostgreSQL environments.\n <\/div>\n <\/div>\n\n <\/div>\n <\/div>\n<\/div>\n\n\n\n
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\n \"Analiza\n <\/div>\n\n
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Data analysis and visualization in Power BI<\/h2>\n \"KajoDataSpace\"\n\n
KajoDataSpace<\/strong> | Published:<\/strong> September 2025<\/div>\n\n
\n Certificate of Completion \u2013 Data Analysis and Visualization in Power BI<\/b>
\n\nCreating interactive dashboards and visual reports, data modeling, applying DAX functions, and combining multiple data sources to derive business insights.\n <\/div>\n <\/div>\n\n <\/div>\n <\/div>\n<\/div>\n\n\n\n
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\n \"Analiza\n <\/div>\n\n
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Data analysis in Microsoft Excel<\/h2>\n \"KajoDataSpace\"\n\n
KajoDataSpace<\/strong> | Published:<\/strong> September 2025<\/div>\n\n
\n Certificate of Completion \u2013 Data Analysis in Microsoft Excel<\/b>
\n\nPractical Excel data analysis skills, including advanced formulas, pivot tables, data cleaning, and visualization techniques supporting decision-making.\n <\/div>\n <\/div>\n\n <\/div>\n <\/div>\n<\/div>\n\n\n\n
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\n \"SOLID\n <\/div>\n\n
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SOLID Principles in Python<\/h2>\n \"programujodpodstaw.pl\n\n
programujodpodstaw.pl (Kamil Brzezi\u0144ski)<\/strong> | Published:<\/strong> September 2025<\/div>\n\n
\n Certificate of Completion \u2013 SOLID Principles in Python<\/b>
\n\nAn introduction to object-oriented design principles (SRP, OCP, LSP, ISP, DIP) and their practical application in Python. Focus on writing clean, maintainable code, improving class design, and using dependency injection techniques.\n\n\n <\/div>\n <\/div>\n\n <\/div>\n <\/div>\n<\/div>\n\n\n\n
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\n \"Python\n <\/div>\n\n
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Python from Scratch<\/h2>\n \"programujodpodstaw.pl\n\n
programujodpodstaw.pl (Kamil Brzezi\u0144ski)<\/strong> | Published:<\/strong> September 2025<\/div>\n\n
\n Certificate of Completion \u2013 Python from Scratch<\/b>
\n\nScope: programming fundamentals, object-oriented programming, advanced Python concepts (decorators, generators), using the standard library, and working with external libraries (NumPy, pandas, Matplotlib). The training also covered SQL databases and REST API basics.\n\n <\/div>\n <\/div>\n\n <\/div>\n <\/div>\n<\/div>\n\n\n\n
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\n \"Git\n <\/div>\n\n
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Git from Scratch<\/h2>\n \"programujodpodstaw.pl\n\n
programujodpodstaw.pl (Kamil Brzezi\u0144ski)<\/strong> | Published:<\/strong> September 2025<\/div>\n\n
\n Certificate of Completion \u2013 Git from Scratch<\/b>
\n\nVersion control fundamentals, working with branches, committing and reverting changes, collaborating with remote repositories on GitHub, resolving merge conflicts, and code review. The training also covered project workflows and best practices for teamwork.\n\n <\/div>\n <\/div>\n\n <\/div>\n <\/div>\n<\/div>\n\n\n\n
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\n \"Certyfikat\n <\/div>\n\n
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PyStart \u2013 Learning Python Programming<\/h2>\n \"Dokodu\n\n
Dokodu sp. z o.o.<\/strong> | Published:<\/strong> May 2025<\/div>\n\n
\n Certificate of Completion \u2013 PyStart \u2013 Learning Python Programming<\/b>
\n\nA comprehensive introduction to Python covering programming fundamentals, data operations, loops, functions, and basic automation. The course prepares for further learning in data analysis and using Python in analytical work.\n\n <\/div>\n <\/div>\n\n <\/div>\n <\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

Kurs Looker Studio – analiza i wizualizacja danych od podstaw strefakursow.pl | Wydano: lut 2026 Certyfikat potwierdzaj\u0105cy uko\u0144czenie praktycznego szkolenia z Looker Studio, obejmuj\u0105cego tworzenie raport\u00f3w i dashboard\u00f3w biznesowych oraz prac\u0119 z danymi z wielu \u017ar\u00f3de\u0142. Kurs koncentrowa\u0142 si\u0119 na pe\u0142nym procesie raportowania: od pozyskania i przygotowania danych, przez projektowanie wizualizacji, po automatyzacj\u0119 i interpretacj\u0119…<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-249","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/olgamironczuk.pl\/en\/wp-json\/wp\/v2\/pages\/249","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/olgamironczuk.pl\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/olgamironczuk.pl\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/olgamironczuk.pl\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/olgamironczuk.pl\/en\/wp-json\/wp\/v2\/comments?post=249"}],"version-history":[{"count":53,"href":"https:\/\/olgamironczuk.pl\/en\/wp-json\/wp\/v2\/pages\/249\/revisions"}],"predecessor-version":[{"id":2526,"href":"https:\/\/olgamironczuk.pl\/en\/wp-json\/wp\/v2\/pages\/249\/revisions\/2526"}],"wp:attachment":[{"href":"https:\/\/olgamironczuk.pl\/en\/wp-json\/wp\/v2\/media?parent=249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}