MindMap Gallery PowerBI.Basics
Suitable for novices or people with a little basic knowledge, Power BI is a business intelligence (BI) tool launched by Microsoft. It can help users easily obtain, organize and analyze data, and transform the data into visual charts. Help users better understand data.
Edited at 2023-12-14 17:39:21Avatar 3 centers on the Sully family, showcasing the internal rift caused by the sacrifice of their eldest son, and their alliance with other tribes on Pandora against the external conflict of the Ashbringers, who adhere to the philosophy of fire and are allied with humans. It explores the grand themes of family, faith, and survival.
This article discusses the Easter eggs and homages in Zootopia 2 that you may have discovered. The main content includes: character and archetype Easter eggs, cinematic universe crossover Easter eggs, animal ecology and behavior references, symbol and metaphor Easter eggs, social satire and brand allusions, and emotional storylines and sequel foreshadowing.
[Zootopia Character Relationship Chart] The idealistic rabbit police officer Judy and the cynical fox conman Nick form a charmingly contrasting duo, rising from street hustlers to become Zootopia police officers!
Avatar 3 centers on the Sully family, showcasing the internal rift caused by the sacrifice of their eldest son, and their alliance with other tribes on Pandora against the external conflict of the Ashbringers, who adhere to the philosophy of fire and are allied with humans. It explores the grand themes of family, faith, and survival.
This article discusses the Easter eggs and homages in Zootopia 2 that you may have discovered. The main content includes: character and archetype Easter eggs, cinematic universe crossover Easter eggs, animal ecology and behavior references, symbol and metaphor Easter eggs, social satire and brand allusions, and emotional storylines and sequel foreshadowing.
[Zootopia Character Relationship Chart] The idealistic rabbit police officer Judy and the cynical fox conman Nick form a charmingly contrasting duo, rising from street hustlers to become Zootopia police officers!
PowerBI basics
Data cleaning
PowerQuery
Data loading
format conversion
title boost
2D to 1D
reverse perspective
fill down
Transpose
Merge and split
categorize
Fixed function
Modify M function
Batch summary Excel
Same as workbook
Excel import
single choice sheet
Delete navigation
Expand source data
Do not use original column names as prefixes
Delete other columns
different workbooks
Folder import
Delete other columns
Add custom columns
M function calls Excel data
Expand custom columns
Expand data
Delete other columns
Filter out titles
M function
Conceptual points
Format: called function package/class.function()
Main points
Each function call must have a function package/class
Capitalize the first letter when calling a function
{}List
[]record
Commonly used functions
Table
List
List.Sum()
List.Min()
List.Average()
Text
Text.Remove()
Text.Select()
Text.Length()
Text.Start()
Text.End()
Text.Trim() removes text spaces
other
{"A".."Z"}
{"A".."z"}
{"0".."9"}
{"一".."turtle"}
Extract data
Excel.Workbook()
Csv.Document()
conditional function
if then else
other
Advantages: Flexible, you need to learn to rewrite the M function
Help documentation: #shared
Data modeling
Establish an association
dimension table
list
metric
Can customize context
Calculated column
row context
Need to use CALCULATE to change the filter context
DAX
How to use
metric
Create new column
Create new table
basic grammar
'Table name'[field]
[metric]
Basic operations
shift enter to wrap and indent
alt enter newline without indentation
ctrl [indent left
ctrl ] indent right
important function
CALCULATE
(expression, filter1, filter2, ...)
Change context through filters and aggregate operations in expressions
return value
Row context can be automatically converted to filter context
Commonly used functions
FILTER
(table, filter condition)
Multi-condition filtering: && and, || or
Return table
Usually used as a filter for the CALCULATE function, tables that meet the filtering conditions are returned, and the CALCULATE function performs the aggregation operation of the first parameter.
ALL
Clear external context filtering
VALUES
Returns a unique list of a certain column, often used to build dimension tables from fact tables
Create filter
time intelligence function
There must be a complete and standardized date table: including dates throughout the year without repetition
date table
How to make a search date table in the public account PowerBI planet
VAR variable
VAR variable name=expression RETURN result expression
You can use VAR to define multiple variables, but only one RETURN
Improve code readability and computation
Interactive functions
Edit interaction
Select component
Format
Edit interaction
none
filter
highlight
Tooltips/Jumps
Edit a component page
Page format
Page information
Open tooltip
name
page size
type
tooltip
Select component
Format
tooltip
Type: report page
Page number: Tooltip
Drill
Structural drilldown
Drilling across reports
Button/shape jump
bookmark
Switch dynamic chart
parameter
Apply with metrics
Synchronized slicers
Select slicer
view
Synchronized slicers
Operation skills
Sort by column
Add number column
Auxiliary irregular sorting
Measurement value classification storage
1. Enter data
Create new table
Change naming
2.Move metric values
Change measure master table
Hide column 1
3.Measurements folder
model view
Select multiple measures
Enter folder name
Draggable measure values into
Secondary folder input: first-level folder\secondary folder