Title:
DATA ANALYSIS DEVICE, METHOD, AND PROGRAM
Document Type and Number:
Japanese Patent JP2020009314
Kind Code:
A
Abstract:
To provide a data analysis device capable of accurately decomposing an interval value matrix including elements represented by interval values into a factor matrix.SOLUTION: In order to optimize an objective function, a parameter estimation part 20 estimates, with respect to each of the elements xthat are scalar values, a factor matrix A and a factor matrix B which is expressed including the probability that element xtakes its scalar value expressed using the estimated values of elements xthat is estimated from factor matrix A and factor matrix B, and the probability that, with respect to each of the elements xthat are interval values, the element xtakes the interval value expressed using the estimated value of the element xestimated from factor matrix A and factor matrix B.SELECTED DRAWING: Figure 3
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Inventors:
KOJIMA MASAHIRO
MATSUBAYASHI TATSUFUMI
TODA HIROYUKI
MATSUBAYASHI TATSUFUMI
TODA HIROYUKI
Application Number:
JP2018131626A
Publication Date:
January 16, 2020
Filing Date:
July 11, 2018
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE
International Classes:
G06F17/16
Domestic Patent References:
| JP2015135574A | 2015-07-27 | |||
| JP2010039723A | 2010-02-18 |
Attorney, Agent or Firm:
Patent Service Corporation Taiyo International Patent Office