Case Study 1 Case Study: How Does a Bike-Share Navigate Speedy Success?
Introduction Welcome to the Cyclistic bike-share analysis case study! In this case study, you will perform many real-world tasks of a junior data analyst. You will work for a fictional company, Cyclistic, and meet different characters and team members. In order to answer the key business questions, you will follow the steps of the data…
Importing and appending large datasets Google Capstone Project stage 1 :
Hi everyone , As sometimes it is so difficult to open some data in excel and more difficult to append it. It is sometimes a headache, This blog post is about how to make the task easier. If you have any other recommendation please comment below. Here is an example of the datasets of the…
Date and time related common DAX formulas
“Year”,YEAR([Date]),”Start of Year”,DATE( YEAR([Date]),1,1),”End of Year”,DATE( YEAR([Date]),12,31),”Month”,MONTH([Date]),”Start of Month”,DATE( YEAR([Date]), MONTH([Date]), 1),”End of Month”,EOMONTH([Date],0),”Days in Month”,DATEDIFF(DATE( YEAR([Date]), MONTH([Date]), 1),EOMONTH([Date],0),DAY)+1,”Year Month Number”,INT(FORMAT([Date],”YYYYMM”)),”Year Month Name”,FORMAT([Date],”YYYY-MMM”),”Day”,DAY([Date]),”Day Name”,FORMAT([Date],”DDDD”),”Day Name Short”,FORMAT([Date],”DDD”),”Day of Week”,WEEKDAY([Date]),”Day of Year”,DATEDIFF(DATE( YEAR([Date]), 1, 1),[Date],DAY)+1,”Month Name”,FORMAT([Date],”MMMM”),”Month Name Short”,FORMAT([Date],”MMM”),”Quarter”,QUARTER([Date]),”Quarter Name”,”Q”&FORMAT([Date],”Q”),”Year Quarter Number”,INT(FORMAT([Date],”YYYYQ”)),”Year Quarter Name”,FORMAT([Date],”YYYY”)&” Q”&FORMAT([Date],”Q”),”Start of Quarter”,DATE( YEAR([Date]), (QUARTER([Date])3)-2, 1), “End of Quarter”,EOMONTH(DATE( YEAR([Date]), QUARTER([Date])3, 1),0),”Week of Year”,WEEKNUM([Date]),”Start…
Aggregation function in SSIS
Aggregation task is powerful task in SSIS. It contains many functions such as group by , count , countdistinct, minimum , average , maximum , sum. We can achieve a lot of task in from this task. For this particular task lets take data from Adventure works sales table. The motto of the task is…
Ggplot2 – The basic powerful package of visualization
Ggplot2 contains the lot of package related to visualization. It contains almost all the powerful functions related to line , graphs , stacked bar charts and all. The normal ggplot with geom_point and aesthetics ; where ggplot is the main function , geom_point ( point related visualization) ,aes- asthetic which includes size , axis ,…
Data Cleaning series : Pivoting and unpivoting in R – wide to long and long to wide
After using pivoting and unpivoting in Power BI and excel , this is another way to do it. It is very simple and just need write a line of code and viola! . Here is an example of table – bake data The code is explained below in the figure but one thing you have…
Getting Started With R – Basic functions
Hi everyone , this is my first post about R programming language. I would like to share some basic functions and syntax in order to be be familiar with R. colnames – Returns the list of names from dataset 2. head – Returns the first 6 rows of vector matrix , table , dataframe 3.…
Q&A section in Power BI
QA section is the artificial intelligence category of data visualization in power BI , You can find the many questions related to your data; additionally you can write standard question and the power BI visualize according to your question. This is one of the amazing feature I recently found. As in the above figure as…
Iterator Functions
Example : Iterator function add temporary new column , calculates the value in each row by multiplying order quantity and product price and apply aggregation to new column ( SUM)
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BI Journey Challenge 365 