Statistical Machine Learning for High Dimensional Data Lecture 3

... to optimize their data centers, improve network reliability and contain costs Worksheet: Analyzing Your Data Center Design and Layout The key to maintaining a high-performance data network is the ... within your data center? g g g g 100%; our data center is completely full of equipment and there is no room for any more 75 to 99%; our data center is heavily utilized, but we hav...

Ngày tải lên: 27/10/2013, 17:15

... Do your racks and cabinets provide ample vertical and horizontal cable management? Yes No Page Section A A Planning Guide for Network Managers Section A A Planning Guide for Network Managers Fiber ... the data center Unlikely because we have plenty of room in the data center already Not sure Page Section A A Planning Guide for Network Managers Section...

Ngày tải lên: 21/12/2013, 07:17

... A Ranking Approach to Coreference     ¡ As mentioned before, our approach differs from the standard approach primarily by (1) explicitly learning a ranker and (2) optimizing for clustering-level ... learning approach, outperforming them by as much as 4–7% on the three data sets for one of the performance metrics 3.1 Selecting Coreference Systems A learning- based coreference...

Ngày tải lên: 20/02/2014, 15:20

... in the case of ambiguous translations Query expansion is performed by adding content words that have not been seen in the original query from the n-best translations of the query Our second query ... effects for these features in their experiments Expansion terms are taken from those terms in the n-best translations of the query that have not been seen in the origina...

Ngày tải lên: 08/03/2014, 02:21

... Preface Machine Learning for Hackers To explain the perspective from which this book was written, it will be helpful to define the terms machine learning and hackers What is machine learning? ... www.it-ebooks.info Machine Learning for Hackers Drew Conway and John Myles White Beijing • Cambridge • Farnham • Köln • Sebastopol • Tokyo www.it-ebooks.info Machine Learn...

Ngày tải lên: 15/03/2014, 16:20

... evaluation of the performance of a classification algorithm The SN is the proportion of correct positive classifications out of the number of true positives The SP is the proportion of correct ... classifications out of the number of true negatives The accuracy is the total number of correct classifications out of the total number of samples The PPV...

Ngày tải lên: 14/08/2014, 17:22

... data series and expand the parameter space to a very high dimension For such high- dimensional time series modeling, the challenges of high dimensionality in space and non-stationary dynamics in time ... even high- dimensional scenarios In this thesis, we are motivated to study adaptive modeling for multivariate and high- dimensional time series under t...

Ngày tải lên: 09/09/2015, 08:11

... data for each domain and the remaining 1600 labeled reviews in each domain are used as training data All unlabeled data are used for latent representation learning For computational reason, only ... Recently, there is increasing research interest in the application of machine learning methods for business analytics (Abbasi and Chen 2008, Rui and Whinston 2011) an...

Ngày tải lên: 09/09/2015, 11:28

... References • Statistical Machine Learning Lafferty, Liu and Wasserman (2012) • The Elements of Statistical Learning Hastie, Tibshirani and Friedman (2009) (www-stat.stanford.edu/˜tibs/ElemStatLearn/) ... problems are high dimensional But often, the relevant information is effectively low dimensional Nonparametricity Make the weakest possible assumptions Preview: Graphs on Equi...

Ngày tải lên: 12/10/2015, 08:56

... 100, p = 20 0 and X , , X n ∼ N(0, Σ) 1000 Risk 120 0 1400 1600 where σjk = ρ|i−j| and ρ = 0 .2 0.0 0 .2 0.4 0.6 0.8 1.0 1 .2 1.4 Threshold 37 Example We find that Σ−S F = 420 Σ − Σt F = 20 Σ−S = ... matrices S1 , S2 Threshold S1 to get Σt,1 Repeat N times: (Σt,1,1 , S2,1 ), , (Σt,1,s , S2,s ), , (Σt,1,N , S2,N ) Let R(t) = where A F = j,k N N Σt,1,s − S2,s F s=1 A2jk = trace(AAT ... RSS...

Ngày tải lên: 12/10/2015, 08:58

... ● ● ● ● 14 15 ● ● 2.5 ● ● ● 16 weight ● ● 3. 0 ● ● ● ● 3. 0 ● ● 20 ● ● ● ● ● 3. 5 choline 3. 5 4.0 ● ● 20 phosphorus 2.5 3. 0 3. 5 44 Statistical Scaling for Prediction Let F be class of matrices of ... ● 2.0 ● ● ● ● 1.5 ● 1.0 1.5 2.0 2.5 ● ● ● ● 3. 5 1.0 1.5 ● ● ● ● ● ● ● ● ● ● 2.5 3. 0 3. 5 1.0 2.0 2.5 3. 0 ● ● ● ● ● ● ● ● ● ● 3. 5 1.0 1.5 2.0 2.5 3. 0 3. 5 1.0 1.5 2.0 ● ●...

Ngày tải lên: 12/10/2015, 09:00