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Showing posts from December, 2020

Excel

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How to find a Rank with Average  This function returns the average value of the given numbers - It ignores text values and blank cells Difference between RANK, RANK.AVG and RANK.EQ There are three versions of the RANK formula that you can use in MS Excel RANK was available in the older versions of excel. We can still use it, probably it will not be available in the coming versions of Excel. There are two new versions of Rank now - RANK.EQ and RANK.AVG. Below example may clear the difference between these two - For values 5,6,6,7 -RANK and RANK.EQ will return ranks as 1,2,2,4 (Same rank for same values) and RANK.AVG will return ranks as 1 ,2.5 ,2.5 ,4. (Average of 2nd and 3rd rank). Because RANK.AVG takes average of the ranks where values are same, we often see decimal digits in ranks calculated using this formula. If all the values in the list are unique, all the three formulas assign same ranks in that case. Exercise 1/12: Mathematical Funtions Hope you have un...

Data Scientist

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SQL Bascis

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1 How to create database create database sarkarijobwob //sarkarijobwob// is database name 2 How to get all database names show databases 3 How to use a database  use  sarkarijobwob Note: After using use command then only we can create the and edit the table 4 How to show tables show table //after using use command// 5: How to get more details of a table desc user //user is table name// 6: How to insert data into a table insert into user (username) values ("vicky") //user is table name// 7: How to look all the values in a table select * from user / /user is table name//  4: How to create table on SQL Create table users ( id int, usermane text) Second example create table users (id int, username text, address_number float) 5 How to read a data base SELECT * FROM [OrderDetails] 6 : How to delete table  drop table user \\"user" is table name// **How to check engine use users show engine show table status                 ...