Solutions for Data Science

  Download the Sales Dashboard from below link https://drive.google.com/file/d/1LJux9V4l24uksrxkdm0yAimAa9ADKHHd/view?usp=sharing Click on the below link for Detailed Video  https://youtu.be/zCwwxyq8opk

What if your lookup value is to the right of the information that you want VLOOKUP to return? Conventional wisdom says VLOOKUP cannot handle a negative column number in order to go left of the key. One solution is  =VLOOKUP(I7,CHOOSE({1,2},G1:G5,F1:F5),2,0) . However, I prefer to use MATCH to find where the name is located and then use INDEX to return the correct value.

The DAX language was created specifically for the handling of data models, through the use of formulas and expressions. DAX is used in several Microsoft Products such as Microsoft Power BI, Microsoft Analysis Services and Microsoft Power Pivot for Excel. Below are the types of Dax functions  1. Aggregate  2. Date and time 3. Filter 4. Financial  5. Information  6. Logical 7. Maty and trig 8. Other 9. Parent and child 10. Relationship Management  11. Statistical  12. Table manipulation  13. Text 14. Time intelligence  From the above list of functions 3 types of functions are basic and commonly used, those are Aggregate , Logical and Date and time. Other important entities which are used with the above function are as follows  1. Operators  Example -  ( ), + , Not, &, =, < >, || 2. Statements  Define , Evaluate,  Order by, Return, Var 3. Data Types Binary, boolean,  Currency,  date time, decimal, integer,...

Say you have to urgently submit a file with many sheets. For Example put a Header or write a same  data for all sheets. I will show you an amazingly powerful tool called Group mode. Say that you have 12 worksheets that are mostly identical. You need to add totals to all 12 worksheets. To enter Group mode, right-click on any worksheet tab and choose Select All Sheets. The name of the workbook in the title bar now indicates that you are in Group mode. Anything you do to the January worksheet will now happen to all the sheets in the workbook. Why is this dangerous? If you get distracted and forget that you are in Group mode, you might start entering January data and overwriting data on the 11 other worksheets! When you are done adding totals, don’t forget to right-click a sheet tab and choose Ungroup Sheets.

We normally avoid these settings but in the hour of need they save us rework time. So if your working on a excel file and you forget to save it or click on don't save by mistake, follow below steps  If the workbook was open for at least 10 minutes and created an AutoRecover version, Excel kept a copy for you. Follow these steps to get it back: Open Excel. In the left panel, choose Open Other Workbooks. In the center panel, scroll all the way to the bottom of the recent files. At the very end, click Recover Unsaved Workbooks. Excel shows you all the unsaved workbooks that it has saved for you recently. Click a workbook and choose Open. If it is the wrong one, go back to File, Open and scroll to the bottom of the list. When you find the right file, click the Save As button to save the workbook. Unsaved workbooks are saved for four days before they are automatically deleted. Use AutoRecover Versions to Recover Files Previously Saved Recover Unsaved Workbooks applies only to files that...

  Download the File from below Link https://drive.google.com/file/d/1tcb4lzNFgEfDKsvQqCW05sgoiGFEhqcK/view?usp=sharing Instructions are given in the image below. Save the File as Excel Macro - Enabled workbook (.xlsm) Use this file to send bulk emails at a time i personally have sent more than 2000 bulk emails at a time. Error may occur if email id typed contains space etc. Only one email id one cell.