PowerQuery Advanced M Language for Data Analysis

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01. Why Learn M Language 01. Why Learn M Language

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02. let and in expression 1 02. let and in expression 1

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03. let and in expressions 2 03. let and in expressions 2

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04. Variable Naming and Annotation 04. Variable Naming and Annotation

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05. Type of value 05. Type of value

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06. List 06. List

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07. Record 07. Record

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08. Table 08. Table

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09. Variable environment 09. Variable environment

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10. Operator 10. Operator

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11. Conditional judgment statement 11. Conditional judgment statement

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12. Function syntax 12. Function syntax

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13. User defined function 1 User defined function 1

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14. Function Precautions Function Considerations

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15. User defined function 2 15. User defined function 2

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16. Efficient use of built-in functions 16. Efficient use of built-in functions

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17. What is each expression 17. What is each expression

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18. List and each expressions 18. List and each expressions

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19. Each expression trap 19. Each expression trap

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20. Each expression and Table 20. Each expression and Table