D465 - Data Applications Exam Questions With Correct Answers 2025

D465 - Data Applications Exam Questions With Correct Answers 2025 R and Python similarities - Correct Answer Both widely used in data science with extensive libraries. R unique challenges - Correct Answer Steeper learning curve, limited web dev capabilities. Advantage of storing code in R - Correct Answer Allows reproducibility and collaboration among analysts. Programming languages and use cases - Correct Answer Python: web dev, data science, ML, automation. MIN function in spreadsheets - Correct Answer Returns the smallest value in a cell range. COUNTIF function in spreadsheets - Correct Answer Counts cells meeting a specified condition. Pivot table elements - Correct Answer Rows, columns, values, filters for data aggregation. SELECT command in SQL - Correct Answer Retrieves data from one or more database tables. JOIN commands in SQL - Correct Answer INNER, LEFT, RIGHT, FULL OUTER JOIN types. Delimiter for code chunks - Correct Answer Triple backticks or markup to define code sections. Output formats for documents - Correct Answer HTML, PDF, Word (docx), Markdown. Presentation formats - Correct Answer Slides, Dashboards, Interactive web apps. Knit button in R - Correct Answer Compiles R Markdown into desired output formats. Symbol for comments in R - Correct Answer Pound sign (`#`) precedes comments in R. Nested function usage - Correct Answer Simplifies operations, improves code readability. Logical operators - Correct Answer AND (&&), OR (||), NOT (!).