7 Latest Posts
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Cloud Shell Highlight
- Python commands in Jupiter:
- %%writefile spark_analysis.py : create or replace a file. 1.1 %%writefile -a spark_analysis.py : write appendingly to the existing file.
- Python commands in Jupiter:
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Data Engineer
Building, deploying, and operating effective flexible data pipelines for all the stages of data processing is a primary expectation from a pro data engineer.
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Lookml Notes
This post is used to collect some key concepts and syntax in Looker.
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Popular Data Features Of Ecommerce
It will depend on what type of goal we want to analyze, we will have some common features or concepts:
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Model Evaluation Criteria
- Precision: The proportion of true positive predictions out of all positive predictions made by the model.
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Bq_ml Models
BQML is enables users to create and execute machine learning models in BigQuery using SQL queries.
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Bq Sql Highlights
- Under the hood = behind the scene == phía sau hậu trường. - Each user operation has its own separate environment *"in which to execute"*: - *reference to - v* : tham chiếu đến || *preference for* : sở thích về. - *tune a query* : optimize a query performance. - *window function* in SQL queries: unlike "aggregation functions" just resulting in one single value (SUM), "window function" add more columns to each row. - *take action ***in a sense of*** doing ST*: hành động theo hướng làm một việc gì đó. - *ST built ***on the concepts covered in*** ST*: ST đc dựng theo các khái niệm được bao gồm trong ST: - *the outline of the course*: nội dung chính của khóa. - to conclude > include > exclude: kết thúc > bao > trừ - to expands on those concepts with ST: mở rộng trên các kniệm đó với ST - to do a deep dive on ST || to do a quick refresh on ST. - to specify ST == to point out (an enigne powering your pipelines) - to provision (a system): to setup, provide and prepare st for future use. - be made up of 4 parts: đc tạo thành từ 4 phần.