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Given the following text description, write Python code to implement the functionality described below step by step
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Description:
 DTM Example
In this example we will present a sample usage of the DTM wrapper. Prior to using this you need to compile the DTM code yourself or use one of the binaries.
This tutorial is on Windows. Running it on Linux and OSX is the same.
In this example we will use a small already processed corpus. To see how to get a dataset to this stage please take a look at Gensim Tutorials
Step1:  First we wil setup logging
Step2:  Now lets load a set of documents
Step3:  This corpus contains 10 documents. Now lets say we would like to model this with DTM.
To do this we have to define the time steps
each document belongs to. In this case the first 3 documents were collected at the same time, while the last 7 were collected 
a month later, and we wish to see how the topics change from month to month.
For this we will define the time_seq, which contains the time slice definition.
Step4:  A simple corpus wrapper to load a premade corpus. You can use this with your own data.
Step5:  So now we have to generate the path to DTM executable, here I have already set an ENV variable for the DTM_HOME
Step6:  That is basically all we need to be able to invoke the Training. 
If initialize_lda=True then DTM will create a LDA model first and store it in initial-lda-ss.dat.
If you already have itial-lda-ss.dat in the DTM folder then you can save time and re-use it with initialize_lda=False. If the file is missing then DTM wil exit with an error.
Step7:  If everything worked we should be able to print out the topics
Step8:  Next, we'll attempt to find the Document-Topic proportions. We will use the gamma class variable of the model to do the same. Gamma is a matrix such that gamma[5,10] is the proportion of the 10th topic in document 5.
To find, say, the topic proportions in Document 1, we do the following
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Python Code:
import logging
import os
from gensim import corpora, utils
from gensim.models.wrappers.dtmmodel import DtmModel
import numpy as np
Explanation: DTM Example
In this example we will present a sample usage of the DTM wrapper. Prior to using this you need to compile the DTM code yourself or use one of the binaries.
This tutorial is on Windows. Running it on Linux and OSX is the same.
In this example we will use a small already processed corpus. To see how to get a dataset to this stage please take a look at Gensim Tutorials
End of explanation
logger = logging.getLogger()
logger.setLevel(logging.DEBUG)
logging.debug("test")
Explanation: First we wil setup logging
End of explanation
documents = [[u'senior', u'studios', u'studios', u'studios', u'creators', u'award', u'mobile', u'currently', u'challenges', u'senior', u'summary', u'senior', u'motivated', u'creative', u'senior', u'performs', u'engineering', u'tasks', u'infrastructure', u'focusing', u'primarily', u'programming', u'interaction', u'designers', u'engineers', u'leadership', u'teams', u'teams', u'crews', u'responsibilities', u'engineering', u'quality', u'functional', u'functional', u'teams', u'organizing', u'prioritizing', u'technical', u'decisions', u'engineering', u'participates', u'participates', u'reviews', u'participates', u'hiring', u'conducting', u'interviews', u'feedback', u'departments', u'define', u'focusing', u'engineering', u'teams', u'crews', u'facilitate', u'engineering', u'departments', u'deadlines', u'milestones', u'typically', u'spends', u'designing', u'developing', u'updating', u'bugs', u'mentoring', u'engineers', u'define', u'schedules', u'milestones', u'participating', u'reviews', u'interviews', u'sized', u'teams', u'interacts', u'disciplines', u'knowledge', u'skills', u'knowledge', u'knowledge', u'xcode', u'scripting', u'debugging', u'skills', u'skills', u'knowledge', u'disciplines', u'animation', u'networking', u'expertise', u'competencies', u'oral', u'skills', u'management', u'skills', u'proven', u'effectively', u'teams', u'deadline', u'environment', u'bachelor', u'minimum', u'shipped', u'leadership', u'teams', u'location', u'resumes', u'jobs', u'candidates', u'openings', u'jobs'], [u'maryland', u'client', u'producers', u'electricity', u'operates', u'storage', u'utility', u'retail', u'customers', u'engineering', u'consultant', u'maryland', u'summary', u'technical', u'technology', u'departments', u'expertise', u'maximizing', u'output', u'reduces', u'operating', u'participates', u'areas', u'engineering', u'conducts', u'testing', u'solve', u'supports', u'environmental', u'understands', u'objectives', u'operates', u'responsibilities', u'handles', u'complex', u'engineering', u'aspects', u'monitors', u'quality', u'proficiency', u'optimization', u'recommendations', u'supports', u'personnel', u'troubleshooting', u'commissioning', u'startup', u'shutdown', u'supports', u'procedure', u'operating', u'units', u'develops', u'simulations', u'troubleshooting', u'tests', u'enhancing', u'solving', u'develops', u'estimates', u'schedules', u'scopes', u'understands', u'technical', u'management', u'utilize', u'routine', u'conducts', u'hazards', u'utilizing', u'hazard', u'operability', u'methodologies', u'participates', u'startup', u'reviews', u'pssr', u'participate', u'teams', u'participate', u'regulatory', u'audits', u'define', u'scopes', u'budgets', u'schedules', u'technical', u'management', u'environmental', u'awareness', u'interfacing', u'personnel', u'interacts', u'regulatory', u'departments', u'input', u'objectives', u'identifying', u'introducing', u'concepts', u'solutions', u'peers', u'customers', u'coworkers', u'knowledge', u'skills', u'engineering', u'quality', u'engineering', u'commissioning', u'startup', u'knowledge', u'simulators', u'technologies', u'knowledge', u'engineering', u'techniques', u'disciplines', u'leadership', u'skills', u'proven', u'engineers', u'oral', u'skills', u'technical', u'skills', u'analytically', u'solve', u'complex', u'interpret', u'proficiency', u'simulation', u'knowledge', u'applications', u'manipulate', u'applications', u'engineering', u'calculations', u'programs', u'matlab', u'excel', u'independently', u'environment', u'proven', u'skills', u'effectively', u'multiple', u'tasks', u'planning', u'organizational', u'management', u'skills', u'rigzone', u'jobs', u'developer', u'exceptional', u'strategies', u'junction', u'exceptional', u'strategies', u'solutions', u'solutions', u'biggest', u'insurers', u'operates', u'investment'], [u'vegas', u'tasks', u'electrical', u'contracting', u'expertise', u'virtually', u'electrical', u'developments', u'institutional', u'utilities', u'technical', u'experts', u'relationships', u'credibility', u'contractors', u'utility', u'customers', u'customer', u'relationships', u'consistently', u'innovations', u'profile', u'construct', u'envision', u'dynamic', u'complex', u'electrical', u'management', u'grad', u'internship', u'electrical', u'engineering', u'infrastructures', u'engineers', u'documented', u'management', u'engineering', u'quality', u'engineering', u'electrical', u'engineers', u'complex', u'distribution', u'grounding', u'estimation', u'testing', u'procedures', u'voltage', u'engineering', u'troubleshooting', u'installation', u'documentation', u'bsee', u'certification', u'electrical', u'voltage', u'cabling', u'electrical', u'engineering', u'candidates', u'electrical', u'internships', u'oral', u'skills', u'organizational', u'prioritization', u'skills', u'skills', u'excel', u'cadd', u'calculation', u'autocad', u'mathcad', u'skills', u'skills', u'customer', u'relationships', u'solving', u'ethic', u'motivation', u'tasks', u'budget', u'affirmative', u'diversity', u'workforce', u'gender', u'orientation', u'disability', u'disabled', u'veteran', u'vietnam', u'veteran', u'qualifying', u'veteran', u'diverse', u'candidates', u'respond', u'developing', u'workplace', u'reflects', u'diversity', u'communities', u'reviews', u'electrical', u'contracting', u'southwest', u'electrical', u'contractors'], [u'intern', u'electrical', u'engineering', u'idexx', u'laboratories', u'validating', u'idexx', u'integrated', u'hardware', u'entails', u'planning', u'debug', u'validation', u'engineers', u'validation', u'methodologies', u'healthcare', u'platforms', u'brightest', u'solve', u'challenges', u'innovation', u'technology', u'idexx', u'intern', u'idexx', u'interns', u'supplement', u'interns', u'teams', u'roles', u'competitive', u'interns', u'idexx', u'interns', u'participate', u'internships', u'mentors', u'seminars', u'topics', u'leadership', u'workshops', u'relevant', u'planning', u'topics', u'intern', u'presentations', u'mixers', u'applicants', u'ineligible', u'laboratory', u'compliant', u'idexx', u'laboratories', u'healthcare', u'innovation', u'practicing', u'veterinarians', u'diagnostic', u'technology', u'idexx', u'enhance', u'veterinarians', u'efficiency', u'economically', u'idexx', u'worldwide', u'diagnostic', u'tests', u'tests', u'quality', u'headquartered', u'idexx', u'laboratories', u'employs', u'customers', u'qualifications', u'applicants', u'idexx', u'interns', u'potential', u'demonstrated', u'portfolio', u'recommendation', u'resumes', u'marketing', u'location', u'americas', u'verification', u'validation', u'schedule', u'overtime', u'idexx', u'laboratories', u'reviews', u'idexx', u'laboratories', u'nasdaq', u'healthcare', u'innovation', u'practicing', u'veterinarians'], [u'location', u'duration', u'temp', u'verification', u'validation', u'tester', u'verification', u'validation', u'middleware', u'specifically', u'testing', u'applications', u'clinical', u'laboratory', u'regulated', u'environment', u'responsibilities', u'complex', u'hardware', u'testing', u'clinical', u'analyzers', u'laboratory', u'graphical', u'interfaces', u'complex', u'sample', u'sequencing', u'protocols', u'developers', u'correction', u'tracking', u'tool', u'timely', u'troubleshoot', u'testing', u'functional', u'manual', u'automated', u'participate', u'ongoing', u'testing', u'coverage', u'planning', u'documentation', u'testing', u'validation', u'corrections', u'monitor', u'implementation', u'recurrence', u'operating', u'statistical', u'quality', u'testing', u'global', u'multi', u'teams', u'travel', u'skills', u'concepts', u'waterfall', u'agile', u'methodologies', u'debugging', u'skills', u'complex', u'automated', u'instrumentation', u'environment', u'hardware', u'mechanical', u'components', u'tracking', u'lifecycle', u'management', u'quality', u'organize', u'define', u'priorities', u'organize', u'supervision', u'aggressive', u'deadlines', u'ambiguity', u'analyze', u'complex', u'situations', u'concepts', u'technologies', u'verbal', u'skills', u'effectively', u'technical', u'clinical', u'diverse', u'strategy', u'clinical', u'chemistry', u'analyzer', u'laboratory', u'middleware', u'basic', u'automated', u'testing', u'biomedical', u'engineering', u'technologists', u'laboratory', u'technology', u'availability', u'click', u'attach'], [u'scientist', u'linux', u'asrc', u'scientist', u'linux', u'asrc', u'technology', u'solutions', u'subsidiary', u'asrc', u'engineering', u'technology', u'contracts', u'multiple', u'agencies', u'scientists', u'engineers', u'management', u'personnel', u'allows', u'solutions', u'complex', u'aeronautics', u'aviation', u'management', u'aviation', u'engineering', u'hughes', u'technical', u'technical', u'aviation', u'evaluation', u'engineering', u'management', u'technical', u'terminal', u'surveillance', u'programs', u'currently', u'scientist', u'travel', u'responsibilities', u'develops', u'technology', u'modifies', u'technical', u'complex', u'reviews', u'draft', u'conformity', u'completeness', u'testing', u'interface', u'hardware', u'regression', u'impact', u'reliability', u'maintainability', u'factors', u'standardization', u'skills', u'travel', u'programming', u'linux', u'environment', u'cisco', u'knowledge', u'terminal', u'environment', u'clearance', u'clearance', u'input', u'output', u'digital', u'automatic', u'terminal', u'management', u'controller', u'termination', u'testing', u'evaluating', u'policies', u'procedure', u'interface', u'installation', u'verification', u'certification', u'core', u'avionic', u'programs', u'knowledge', u'procedural', u'testing', u'interfacing', u'hardware', u'regression', u'impact', u'reliability', u'maintainability', u'factors', u'standardization', u'missions', u'asrc', u'subsidiaries', u'affirmative', u'employers', u'applicants', u'disability', u'veteran', u'technology', u'location', u'airport', u'bachelor', u'schedule', u'travel', u'contributor', u'management', u'asrc', u'reviews'], [u'technical', u'solarcity', u'niche', u'vegas', u'overview', u'resolving', u'customer', u'clients', u'expanding', u'engineers', u'developers', u'responsibilities', u'knowledge', u'planning', u'adapt', u'dynamic', u'environment', u'inventive', u'creative', u'solarcity', u'lifecycle', u'responsibilities', u'technical', u'analyzing', u'diagnosing', u'troubleshooting', u'customers', u'ticketing', u'console', u'escalate', u'knowledge', u'engineering', u'timely', u'basic', u'phone', u'functionality', u'customer', u'tracking', u'knowledgebase', u'rotation', u'configure', u'deployment', u'sccm', u'technical', u'deployment', u'deploy', u'hardware', u'solarcity', u'bachelor', u'knowledge', u'dell', u'laptops', u'analytical', u'troubleshooting', u'solving', u'skills', u'knowledge', u'databases', u'preferably', u'server', u'preferably', u'monitoring', u'suites', u'documentation', u'procedures', u'knowledge', u'entries', u'verbal', u'skills', u'customer', u'skills', u'competitive', u'solar', u'package', u'insurance', u'vacation', u'savings', u'referral', u'eligibility', u'equity', u'performers', u'solarcity', u'affirmative', u'diversity', u'workplace', u'applicants', u'orientation', u'disability', u'veteran', u'careerrookie'], [u'embedded', u'exelis', u'junction', u'exelis', u'embedded', u'acquisition', u'networking', u'capabilities', u'classified', u'customer', u'motivated', u'develops', u'tests', u'innovative', u'solutions', u'minimal', u'supervision', u'paced', u'environment', u'enjoys', u'assignments', u'interact', u'multi', u'disciplined', u'challenging', u'focused', u'embedded', u'developments', u'spanning', u'engineering', u'lifecycle', u'specification', u'enhancement', u'applications', u'embedded', u'freescale', u'applications', u'android', u'platforms', u'interface', u'customers', u'developers', u'refine', u'specifications', u'architectures', u'java', u'programming', u'scripts', u'python', u'debug', u'debugging', u'emulators', u'regression', u'revisions', u'specialized', u'setups', u'capabilities', u'subversion', u'technical', u'documentation', u'multiple', u'engineering', u'techexpousa', u'reviews'], [u'modeler', u'semantic', u'modeling', u'models', u'skills', u'ontology', u'resource', u'framework', u'schema', u'technologies', u'hadoop', u'warehouse', u'oracle', u'relational', u'artifacts', u'models', u'dictionaries', u'models', u'interface', u'specifications', u'documentation', u'harmonization', u'mappings', u'aligned', u'coordinate', u'technical', u'peer', u'reviews', u'stakeholder', u'communities', u'impact', u'domains', u'relationships', u'interdependencies', u'models', u'define', u'analyze', u'legacy', u'models', u'corporate', u'databases', u'architectural', u'alignment', u'customer', u'expertise', u'harmonization', u'modeling', u'modeling', u'consulting', u'stakeholders', u'quality', u'models', u'storage', u'agile', u'specifically', u'focus', u'modeling', u'qualifications', u'bachelors', u'accredited', u'modeler', u'encompass', u'evaluation', u'skills', u'knowledge', u'modeling', u'techniques', u'resource', u'framework', u'schema', u'technologies', u'unified', u'modeling', u'technologies', u'schemas', u'ontologies', u'sybase', u'knowledge', u'skills', u'interpersonal', u'skills', u'customers', u'clearance', u'applicants', u'eligibility', u'classified', u'clearance', u'polygraph', u'techexpousa', u'solutions', u'partnership', u'solutions', u'integration'], [u'technologies', u'junction', u'develops', u'maintains', u'enhances', u'complex', u'diverse', u'intensive', u'analytics', u'algorithm', u'manipulation', u'management', u'documented', u'individually', u'reviews', u'tests', u'components', u'adherence', u'resolves', u'utilizes', u'methodologies', u'environment', u'input', u'components', u'hardware', u'offs', u'reuse', u'cots', u'gots', u'synthesis', u'components', u'tasks', u'individually', u'analyzes', u'modifies', u'debugs', u'corrects', u'integrates', u'operating', u'environments', u'develops', u'queries', u'databases', u'repositories', u'recommendations', u'improving', u'documentation', u'develops', u'implements', u'algorithms', u'functional', u'assists', u'developing', u'executing', u'procedures', u'components', u'reviews', u'documentation', u'solutions', u'analyzing', u'conferring', u'users', u'engineers', u'analyzing', u'investigating', u'areas', u'adapt', u'hardware', u'mathematical', u'models', u'predict', u'outcome', u'implement', u'complex', u'database', u'repository', u'interfaces', u'queries', u'bachelors', u'accredited', u'substituted', u'bachelors', u'firewalls', u'ipsec', u'vpns', u'technology', u'administering', u'servers', u'apache', u'jboss', u'tomcat', u'developing', u'interfaces', u'firefox', u'internet', u'explorer', u'operating', u'mainframe', u'linux', u'solaris', u'virtual', u'scripting', u'programming', u'oriented', u'programming', u'ajax', u'script', u'procedures', u'cobol', u'cognos', u'fusion', u'focus', u'html', u'java', u'java', u'script', u'jquery', u'perl', u'visual', u'basic', u'powershell', u'cots', u'cots', u'oracle', u'apex', u'integration', u'competitive', u'package', u'bonus', u'corporate', u'equity', u'tuition', u'reimbursement', u'referral', u'bonus', u'holidays', u'insurance', u'flexible', u'disability', u'insurance', u'technologies', u'disability', u'accommodation', u'recruiter', u'techexpousa']]
Explanation: Now lets load a set of documents
End of explanation
time_seq = [3, 7]  # first 3 documents are from time slice one 
#  and the other 7 are from the second time slice.
Explanation: This corpus contains 10 documents. Now lets say we would like to model this with DTM.
To do this we have to define the time steps
each document belongs to. In this case the first 3 documents were collected at the same time, while the last 7 were collected 
a month later, and we wish to see how the topics change from month to month.
For this we will define the time_seq, which contains the time slice definition.
End of explanation
class DTMcorpus(corpora.textcorpus.TextCorpus):
    def get_texts(self):
        return self.input
    def __len__(self):
        return len(self.input)
corpus = DTMcorpus(documents)
Explanation: A simple corpus wrapper to load a premade corpus. You can use this with your own data.
End of explanation
# path to dtm home folder
dtm_home = os.environ.get('DTM_HOME', "dtm-master")
# path to the binary. on my PC the executable file is dtm-master/bin/dtm
dtm_path = os.path.join(dtm_home, 'bin', 'dtm') if dtm_home else None
# you can also copy the path down directly
dtm_path = "/home/bhargav/dtm/main"
Explanation: So now we have to generate the path to DTM executable, here I have already set an ENV variable for the DTM_HOME
End of explanation
model = DtmModel(dtm_path, corpus, time_seq, num_topics=2,
                 id2word=corpus.dictionary, initialize_lda=True)
Explanation: That is basically all we need to be able to invoke the Training. 
If initialize_lda=True then DTM will create a LDA model first and store it in initial-lda-ss.dat.
If you already have itial-lda-ss.dat in the DTM folder then you can save time and re-use it with initialize_lda=False. If the file is missing then DTM wil exit with an error.
End of explanation
topics = model.show_topic(topicid=1, time=1, topn=10)
topics
Explanation: If everything worked we should be able to print out the topics
End of explanation
doc_number = 1
num_topics = 2
for i in range(0,num_topics):
    print "Distribution of Topic %d %f" % (i,model.gamma_[doc_number,i])
Explanation: Next, we'll attempt to find the Document-Topic proportions. We will use the gamma class variable of the model to do the same. Gamma is a matrix such that gamma[5,10] is the proportion of the 10th topic in document 5.
To find, say, the topic proportions in Document 1, we do the following:
End of explanation
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