hacking dashboards: tips and tricks for data mining in excel
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TRANSCRIPT
![Page 1: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/1.jpg)
Hacking Dashboards
Tips and tricks for Data Mining in Excel
![Page 3: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/3.jpg)
Today’s Lesson
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Today’s Lesson: Unpivoting
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Synopsis
Whereas PivotTables and Analysis Cubes are two of the most powerful tools for working with data, their use is predicated on the possession of clean, columnar, and normalized data. What if your data is bound to a homegrown spreadsheet ‘ecosystem’ that cannot be pivoted, unpivoted, or repivoted? What if you’d like to harvest usable data from a large, heterogeneous volume of someone else's spreadsheets? Well, unpivoting is a fiercely practical way to recover high quality, analyzable data from the vagaries of preformatted spreadsheets. Unpivoting is a black art, and definitely not a science. This presentation contains step-by-step instructions on how to unpivot data using Excel.
![Page 6: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/6.jpg)
Synopsis
Whereas PivotTables and Analysis Cubes are two of the most powerful tools for working with data, their use is predicated on the possession of clean, columnar, and normalized data. What if your data is bound to a homegrown spreadsheet ‘ecosystem’ that cannot be pivoted, unpivoted, or repivoted? What if you’d like to harvest usable data from a large, heterogeneous volume of someone else's spreadsheets? Well, unpivoting is a fiercely practical way to recover high quality, analyzable data from the vagaries of preformatted spreadsheets. Unpivoting is a black art, and definitely not a science. This presentation contains step-by-step instructions on how to unpivot data using Excel.
![Page 7: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/7.jpg)
Synopsis
Whereas PivotTables and Analysis Cubes are two of the most powerful tools for working with
data, their use is predicated on the possession of clean, columnar, and normalized data. What if your data is bound to a homegrown spreadsheet ‘ecosystem’ that cannot be pivoted, unpivoted, or repivoted? What if you’d like to harvest usable data from a large, heterogeneous volume of someone else's spreadsheets? Well, unpivoting is a fiercely practical way to recover high quality, analyzable data from the vagaries of preformatted spreadsheets. Unpivoting is a black art, and definitely not a science. This presentation contains step-by-step instructions on how to unpivot data using Excel.
![Page 8: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/8.jpg)
Synopsis
Whereas PivotTables and Analysis Cubes are two of the most powerful tools for working with
data, their use is predicated on the possession of clean, columnar, and normalized data. What if your data is bound to a homegrown spreadsheet ‘ecosystem’ that cannot be pivoted, unpivoted, or repivoted? What if you’d like to harvest usable data from a large, heterogeneous volume of someone else's spreadsheets? Well, unpivoting is a fiercely practical way to recover high quality, analyzable data from the vagaries of preformatted spreadsheets. Unpivoting is a black art, and definitely not a science. This presentation contains step-by-step instructions on how to unpivot data using Excel.
![Page 9: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/9.jpg)
Synopsis
Whereas PivotTables and Analysis Cubes are two of the most powerful tools for working with data, their use is predicated on the possession of clean, columnar, and normalized data. What if your data is bound to a homegrown spreadsheet ‘ecosystem’ that cannot be pivoted, unpivoted,
or repivoted? What if you’d like to harvest usable data from a large, heterogeneous volume of someone else's spreadsheets? Well, unpivoting is a fiercely practical way to recover high quality, analyzable data from the vagaries of preformatted spreadsheets. Unpivoting is a black art, and definitely not a science. This presentation contains step-by-step instructions on how to unpivot data using Excel.
![Page 10: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/10.jpg)
Synopsis
Whereas PivotTables and Analysis Cubes are two of the most powerful tools for working with data, their use is predicated on the possession of clean, columnar, and normalized data. What if your data is bound to a homegrown spreadsheet ‘ecosystem’ that cannot be pivoted, unpivoted, or repivoted? What if you’d like to harvest usable data from a large, heterogeneous volume of
someone else's spreadsheets? Well, unpivoting is a fiercely practical way to recover high quality, analyzable data from the vagaries of preformatted spreadsheets. Unpivoting is a black art, and definitely not a science. This presentation contains step-by-step instructions on how to unpivot data using Excel.
![Page 11: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/11.jpg)
Synopsis
Whereas PivotTables and Analysis Cubes are two of the most powerful tools for working with data, their use is predicated on the possession of clean, columnar, and normalized data. What if your data is bound to a homegrown spreadsheet ‘ecosystem’ that cannot be pivoted, unpivoted, or repivoted? What if you’d like to harvest usable data from a large, heterogeneous volume of someone else's spreadsheets? Well, unpivoting is a fiercely practical way to recover high quality,
analyzable data from the vagaries of preformatted spreadsheets. Unpivoting is a black art, and definitely not a science. This presentation contains step-by-step instructions on how to unpivot data using Excel.
![Page 12: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/12.jpg)
Synopsis
Whereas PivotTables and Analysis Cubes are two of the most powerful tools for working with data, their use is predicated on the possession of clean, columnar, and normalized data. What if your data is bound to a homegrown spreadsheet ‘ecosystem’ that cannot be pivoted, unpivoted, or repivoted? What if you’d like to harvest usable data from a large, heterogeneous volume of someone else's spreadsheets? Well, unpivoting is a fiercely practical way to recover high quality, analyzable data from the vagaries of preformatted spreadsheets. Unpivoting is a black art, and
definitely not a science. This presentation contains step-by-step instructions on how to unpivot data using Excel.
![Page 13: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/13.jpg)
End of the Introduction
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The Problem
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The Problem
"Many companies depend on homegrown, spreadsheet-based applications to support complex business processes such as financial planning, budgeting and reporting, despite the fact that they are largely unsuitable for such purposes.”
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The Problem
"Many companies depend on homegrown, spreadsheet-based applications to support complex business processes such as financial planning, budgeting and reporting, despite the fact that they are largely unsuitable for such purposes.”
Paul HamermanVice President, Forrester ResearchJanuary 31, 2003
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The Solution
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The Solution: None
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The Solution: None
Appears to be mostly psychological.
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The Solution: None
However –
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The Solution:
It is possible to recover high-quality, business grade data from the vagaries of preformatted spreadsheets.
![Page 22: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/22.jpg)
The Solution:
It is possible to recover high-quality, business grade data from the vagaries of preformatted spreadsheets.
Doing so takes a judicious use of unpivoting and the text-to-columns feature of Excel.
![Page 23: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/23.jpg)
The Solution:
It is possible to recover high-quality, business grade data from the vagaries of preformatted spreadsheets.
Doing so takes a judicious use of unpivoting and the text-to-columns feature of Excel.
Even more radical results can be achieved by using a sufficiently advanced programming language, such as Perl.
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An Example
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An Example
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An Example
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An Example
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An Example
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From the Wild
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From the Wild
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From the Wild
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From the Wild
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From the Wild
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From the Wild
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How do you unpivot homebrew data?
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The Steps
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The Steps
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The Steps
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The Steps
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The Steps
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The Steps
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The Steps
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The Steps
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The Steps
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The Steps
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The Steps
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The Steps
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The Steps
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The Steps
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The Steps
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The Steps
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The Steps
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The Steps
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The Steps
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The Steps
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The Steps
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The Steps
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The Steps
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The Steps
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The Steps
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The Steps
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The Result
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Intermediate Techniques
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Intermediate Techniques
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Intermediate Techniques
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Intermediate Techniques
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Intermediate Techniques
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Intermediate Techniques
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Intermediate Techniques
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Intermediate Techniques
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Intermediate Techniques
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Intermediate Techniques
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Intermediate Techniques
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Intermediate Techniques
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Intermediate Techniques
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The Result
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Iterations
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Iterations
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Iterations
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Iterations
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Iterations
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Iterations
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Iterations
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Design Patterns
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Design Patterns
There are 5:
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Design Patterns
There are 5:
Rotating
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Design Patterns
There are 5:
RotatingFlattening
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Design Patterns
There are 5:
RotatingFlatteningSplitting
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Design Patterns
There are 5:
RotatingFlatteningSplittingJoining
![Page 90: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/90.jpg)
Design Patterns
There are 5:
RotatingFlatteningSplittingJoiningFiltering
![Page 91: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/91.jpg)
Design Patterns
There are 5:
RotatingFlatteningSplittingJoiningFiltering
Any data can be made equidimensional, normalized, and columned.
![Page 92: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/92.jpg)
Applications
![Page 93: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/93.jpg)
Applications: Data Harvesting
![Page 94: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/94.jpg)
![Page 95: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/95.jpg)
![Page 96: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/96.jpg)
![Page 97: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/97.jpg)
![Page 98: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/98.jpg)
![Page 99: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/99.jpg)
![Page 100: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/100.jpg)
Next time
![Page 101: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/101.jpg)
Next time: Analysis Cubes
![Page 102: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/102.jpg)
and Web Spiders
![Page 103: Hacking dashboards: Tips and Tricks for Data Mining in Excel](https://reader038.vdocuments.net/reader038/viewer/2022102823/546cc66caf7959e91e8b5dec/html5/thumbnails/103.jpg)
Thank you