sketching pearsonr(function penalized regression elastic net penalty penalty lasso model penn treebank project url greater than scenarios about hyperparameterssetting predictionrating - recommendationsrating - text example png polyfit(function portable batch system (pbs postclassification problem logistic regressionapplying to posts clustering relatednessmeasuring posttype attribute principal component analysis see pca pybrain url pymining pyplot package python about installing python packages installingon amazon linux & sites about cross validated metaoptimize read_fft(function receiver operator characteristic (rocabout usedfor measuring classifier performance redundant features detectingfilters used redundant features detection correlationusing - mutual information - regression usedfor predicting house prices - ridge regression ridley-calvard method root mean squared error (rmse salt and pepper noise adding centerinserting in focus - save(function scale-invariant feature transform see sift scikit scikit-image (skimage scikit-learn elastic netsusing in lassousing in scipy about packages url score attribute secure shell (ssh securities and exchange commission (sec seeds dataset sentiment analysistweet sentiwordnet about url usedfor cheating sift signal package similarity comparingin topic space - sine wave components musicdecomposing into - sklearn feature_selection package sklearn lda