Data Mining Part 20: Excel and Data Mining,accuracy, forecasting
In the lesson 18 and 19 we worked with Data Mining Models.
In this new chapter we will work with more algorithms and show how to test the accuracy of the model.
2014-11-11
3,862 reads
In the lesson 18 and 19 we worked with Data Mining Models.
In this new chapter we will work with more algorithms and show how to test the accuracy of the model.
2014-11-11
3,862 reads
In the lesson 18 and 19 we worked with Data Mining Models.
In this new chapter we will work with more algorithms and show how to test the accuracy of the model.
2014-11-11
3,645 reads
This lesson explains how to Clean Data, Explore Data, get Samples of Data, Classify and query a Data Mining Model.
2014-10-28
16,573 reads
This lesson explains how to Clean Data, Explore Data, get Samples of Data, Classify and query a Data Mining Model.
2014-10-28
6,510 reads
In this new article, we will introduce you to Microsoft Excel and Data Mining.
2014-10-08
9,032 reads
In this new article, we will introduce you to Microsoft Excel and Data Mining.
2014-10-08
7,487 reads
In this chapter, we will learn how to create Data Mining Reports using Reporting Services.
2014-09-18
4,230 reads
In this chapter, we will learn how to create Data Mining Reports using Reporting Services.
2014-09-18
4,005 reads
In this chapter we will learn how to automate Data Mining Tasks using the SQL Agent.
2014-09-08
2,985 reads
In this chapter we will learn how to automate Data Mining Tasks using the SQL Agent.
2014-09-08
2,946 reads
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
By way of background, a while back I did video called “My New Favourite...
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
Comments posted to this topic are about the item How We Handled a Vendor...
Comments posted to this topic are about the item Cognitive Coverage
I have this data in the dbo.Commission table in a SQL Server 2022 database.
salesperson commission Brian 12 Brian 16 Andy 7 Andy 14 Andy 21 Steve 20 Steve NULLAll the data is a varchar, and I decide to run this query to get the totals for each salesperson.
SELECT SalesPerson
, AVG(TRY_PARSE(Commission AS int)) AS TotalCommission
FROM commission
GROUP BY SalesPerson
GO
What average commission is calculated for Steve? See possible answers