trunk:egs/wsj/s5/util merge subset_data_dir_tr_cv_spk.sh and subset_data_dir_tr90_cv10.sh to a single script subset_data_dir_tr_cv.sh

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trunk:egs/wsj/utils/subset_data_dir_tr_cv_spk.sh (A data split script for cross validation based on random chosen speakers) -> modifications for better order of options and temporary files placement (Recommended by Karel Vesely)

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trunk:egs/wsj/s5/utils - fix of typo for comment on subset_data_dir_tr_cv_spk.sh <= A data split script for cross validation based on random chosen speakers

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improved configuration scheme


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trunk/egs/fisher_english: change fisher_data_prep.sh to support newer version of corpus (LDC, why must you constantly change directory names?)

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This may be correct in some cases, when the *txt transcripts are not a part
of the BABEL delivery (as long as the STM file or RTTM file is)


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Use in cases when the *.txt files are not part of the delivery 
(such as evalpart1 subset delivery)


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This script can be called from any recognition script when needed.
This helps with future development and modification of the run* scripts


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command in the pipeline fails)


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- nnet-cache-tgtmat.cc : bugfix, 
- nnet-loss.cc : better code readability
- nnet-nnet.cc : refactored weights getter/setter, gradient getter
- nnet-rbm.h : for Gaussian-Bernoulli RBM training, enforce non-negative variance while comparing the variance of input-features/reconstruction-features, in anti-weight explosion detector (thanks to Daniel Korzinek)




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trunk/egs/hkust: add alternative chinese character scoring scripts; if the wordlist (words in the lexicon) used by the decoder is a subset of the words in 195k_chinese_word2char_map (1st column of 195k_chinese_word2char_map contains chinese words, 2nd to end column fields are corresponding seperated chinese characters), scoring with score_basic_ext.sh will give pure chinese character error rate

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add alternative chinese character scoring scripts; if the wordlist (words in the lexicon) used by the decoder is a subset of the words in 195k_chinese_word2char_map, scoring with score_basic_ext.sh will give pure chinese character error rate

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trunk: Change intended to fix bug in SGMM2 model training code introduced recently (rev. 2736), RE spk-vector estimation.

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