Social Influence Modeling on Smartphone Usage Masaji Katagiri1‚2 and Minoru Etoh1‚3 1 R&D Center‚ NTT DOCOMO‚ Inc. Yokosuka‚ Kanagawa‚ 239-8536 Japan katagirim@nttdocomo.co.jp‚ etoh@ieee.org Graduate School of Information Science and Technologies‚ Osaka University Suita‚ Osaka‚ 565-0871 Japan 3 Cybermedia Center‚ Osaka University Toyonaka‚ Osaka‚ 560-0043 Japan 2 Abstract. This paper presents a probabilistic influence model for smartphone usage; it applies a latent group model to social influence
Premium Linear algebra Machine learning
The Place for Diversity Analysis The term “Diversity” is a dimension that can be used to differentiate groups and people from one another. (Bacher‚ 200) The word itself has become more frequently used in recent years as the world is beginning to encompass people with many differences. Diversity covers a range of characteristics and deals with how we accept and deal with how we accept or respect those characteristic. (Bucher ‚ 2010) In other words‚ diversity is just not about ethnicity‚ race‚ gender
Premium Dimension Trait Sexual orientation
LINEAR REGRESSION MODELS W4315 HOMEWORK 2 ANSWERS February 15‚ 2010 Instructor: Frank Wood 1. (20 points) In the file ”problem1.txt”(accessible on professor’s website)‚ there are 500 pairs of data‚ where the first column is X and the second column is Y. The regression model is Y = β0 + β1 X + a. Draw 20 pairs of data randomly from this population of size 500. Use MATLAB to run a regression model specified as above and keep record of the estimations of both β0 and β1 . Do this 200 times. Thus you
Premium Regression analysis Linear regression
www.Vidyarthiplus.com UNIT-I PART-B −2 2 −3 1. Find all the eigenvalues and eigenvectors of the matrix 2 1 −6 −1 −2 0 7 −2 0 2. Find all the eigenvalues and eigenvectors of the matrix −2 6 −2 0 −2 5 3. Find all the eigenvalues and eigenvectors of the matrix 2 2 1 1 3 1 1 2 2 2 −1 2 4. Using Cayley Hamilton theorem find A when A= −1 2 −1 1 −1 2 4 1 2 −2 5. Using Cayley Hamilton theorem find A When A = −1 3 0 0 −2 1 −1 1 0 3 6. Using Cayley Hamilton theorem find A find A = 2 1 −1 1 −1 1 −1 −1 0
Premium Linear algebra The Matrix Reloaded The Matrix
Mystery of ‘K’ in CMYK The K in CMYK stands for “Key”‚ but the answer is much more interesting than that. The “key plate” is said to add the “detail” to a printed image. This is true in that the black plate in a four color process print pushes the contrast and creates “detail”. Many people suggest that the theory of using K instead of B because it may be easily confused with “Blue” is a myth. While it is highly speculative what the reasoning is‚ there are context clues as to why it may actually
Premium Linear algebra English-language films United Kingdom
mathematics like i. Number and numeration ii. Algebra iii. Geometry and mensuration iv. Statistics This means that a student ’s overall performance is dependent on a proper understanding of each of the components above. Since algebra is an important component of mathematics that is examined at all levels in our Secondary School System‚ it is pertinent to examine the difficulties student‚ encounter in solving algebraic problems e.g linear equation. At the secondary school level‚ these difficulties
Premium Mathematics Elementary algebra Polynomial
filling along with their corresponding algorithms. Ans.) Polygon Filling Filling the polygon means highlighting all the pixels which lie inside the polygon with any color other than background color. Polygons are easier to fill since they have linear boundaries. There are 2 basic approaches used to fill the polygon. One way to fill a polygon is to start from a given “seed point” known to be inside the polygon and highlight outward from this point i.e neighboring pixels until we encounter the
Premium Linear algebra
Markov Processes 1. Introduction Before we give the definition of a Markov process‚ we will look at an example: Example 1: Suppose that the bus ridership in a city is studied. After examining several years of data‚ it was found that 30% of the people who regularly ride on buses in a given year do not regularly ride the bus in the next year. Also it was found that 20% of the people who do not regularly ride the bus in that year‚ begin to ride the bus regularly the next year. If 5000 people ride the
Premium Linear algebra
1. Characteristic Loads-Characteristics‚ Importance‚ Applications Actions By E.C. An action (F) is a force (load) applied to the structure (direct action ) or an imposed deformation ( indirect action ) ex. Temperature effects. Actions are classified: a) by variation in time permanent actions G ( self-weight of structure). b) by their spatial variations: fixed actions ( self weight ) variable actions Q wind loads/snow. free actions which results in different actions accidental actions
Premium Force Torque Sociology
Using EXCEL for Asset Allocation and Performing Market Efficiency Studies 1. Introduction There are several features in EXCEL that are very useful for asset allocation and performing market efficiency studies. These features used in conjunction with live or historical data allows one to apply the sophisticated techniques discussed in this class in practical situations. This write-up will introduce students to the various mathematical and statistical functions available in EXCEL and explain
Premium Variance Linear algebra