Tài liệu Data Preparation for Data Mining- P16 ppt
Tài liệu Data Preparation for Data Mining- P16 ppt
... mining tools and data modeling tools focus.
The near future will see the development of automated data preparation tools for series
data. Approaches for automated series data preparation ... near future for data preparation includes fully automated information exposure for the
types of data discussed in this book, including series data, and adding thematic,...
Tài liệu Data Preparation for Data Mining- P10 docx
... Series Data
Series data differs from the forms of data so far discussed mainly in the way in which the
data enfolds the information. The main difference is that the ordering of the data ...
Figure 9.11 Waterforms and their correlograms.
9.4 Modeling Series Data
Given these tools for describing series data, how do they help with preparing the data for...
Tài liệu Data Preparation for Data Mining- P11 pdf
... transform accomplishes this. The second transform subtracts the mean of the
transformed variable from each transformed value, and divides the result by the standard
deviation. The formula for ... second transform subtracts the mean of the
transformed variable from each transformed value, and divides the result by the standard
deviation. The formula for this second transformation is .....
Tài liệu Data Preparation for Data Mining- P12 pptx
... of the survey, rather than data
preparation? Data preparation concentrates on transforming and adjusting variables’
values to ensure maximum information exposure. Data surveying concentrates ... function can be expressed as a formula, just as
the formula for determining the value of the logistic function is
For convenience, this whole formula can be taken as a...
Tài liệu Data Preparation for Data Mining- P13 pptx
... a mining tool.”
“Information is contained in variability.” Information, information, information. Clearly,
“information” is a key feature of data preparation. In fact, information—its discovery, ... that, as a rule of thumb for the
minimum amount of data to accept, for mining (as opposed to data preparation) , use at least
twice the number of instances required for a data...
Tài liệu Data Preparation for Data Mining- P14 pdf
... variability of a data set is captured,
entropic analysis forms the main tool for surveying data. The other tools are useful, but
used largely for exploring only where entropic or information analysis ... note that this data reduction activity is not properly part of the data survey. The
survey only looks at and measures the data set presented. While it provides information
ab...
Tài liệu Data Preparation for Data Mining- P15 doc
... noise—all useful information for the miner.
Not all information/noise/capture maps look like this one does. For comparison, Figure
11.30 shows a map for a different data set.
... map for the CREDIT data set in Figure 11.31 that carries useful
information. In spite of the apparent perfect predictions possible from the information
enfolded in this data (shown i...
Tài liệu Data Preparation for Data Mining- P17 ppt
... mining tools and data modeling tools focus.
The near future will see the development of automated data preparation tools for series
data. Approaches for automated series data preparation ... near future for data preparation includes fully automated information exposure for the
types of data discussed in this book, including series data, and adding thematic,...
Data Preparation for Data Mining- P3
... their limited data capacity and
inability to handle certain types of operations needed in data preparation, data surveying,
and data modeling. For exploring small data sets, and for displaying ... prepare the data set for mining—to best expose
the information contained in it to the mining tool. Indeed, the whole purpose for mining
data is to transform the information...
Data Preparation for Data Mining- P4
... considered alone.
Data Set /Data Survey Issue: Well- and Ill-Formed Manifolds
This is really the first data survey step as well as the last data preparation step. The data
survey, discussed ... execution data is in its
“raw” form, and the model works only with prepared data, it is necessary to transform the
execution data in the same way that the training a...