Pattern Search Regular Expression

Dear Group, I am trying to search the following pattern in Python. I have following strings: (i)"In the ocean" (ii)"On the ocean" (iii) "By the ocean" (iv) "In this group" (v) "In this group" (vi) "By the new group" . I want to extract from the first word to the last word, whe

Re: Pattern Search Regular Expression

On Saturday, June 15, 2013 7:58:44 PM UTC+5:30, Mark Lawrence wrote: > On 15/06/2013 14:45, Denis McMahon wrote: > > > On Sat, 15 Jun 2013 13:41:21 +, Denis McMahon wrote: > > > > > >> first_and_last = [sentence.split()[i] for i in (0, -1)] middle = > > >> sentence.split()[1:-2] > > > > >

Re: Pattern Search Regular Expression

On Saturday, June 15, 2013 8:34:59 PM UTC+5:30, Mark Lawrence wrote: > On 15/06/2013 15:31, subhabangal...@gmail.com wrote: > > > > > > Dear Group, > > > > > > I know this solution but I want to have Regular Expression option. Just > > learning. > > > > > > Regards, > > > Subhabrata. > > >

Re: Pattern Search Regular Expression

On Saturday, June 15, 2013 3:12:55 PM UTC+5:30, subhaba...@gmail.com wrote: > Dear Group, > > > > I am trying to search the following pattern in Python. > > > > I have following strings: > > > > (i)"In the ocean" > > (ii)"On the ocean" > > (iii) "By the ocean" > > (iv) "In this grou

Re: Pattern Search Regular Expression

On Sunday, June 16, 2013 12:17:18 AM UTC+5:30, ru...@yahoo.com wrote: > On Saturday, June 15, 2013 11:54:28 AM UTC-6, subhaba...@gmail.com wrote: > > > > > Thank you for the answer. But I want to learn bit of interesting > > > regular expression forms where may I? > > > No Mark, thank you for

HTML Parser

Dear Group, I was looking for a good tutorial for a "HTML Parser". My intention was to extract tables from web pages or information from tables in web pages. I tried to make a search, I got HTMLParser, BeautifulSoup, etc. HTMLParser works fine for me, but I am looking for a good tutorial to le

Topic Modeling LDA Gensim

Dear Group, I am trying to use Gensim for Topic Modeling with LDA. I have trained LDA but now I want to test it with new documents. Should I use doc_lda = lda[doc_bow] or is it something else? If any one of the esteemed members of the group can kindly suggest? Thanking in Advance, Regards,

Slow output

Dear Group, I am Sri Subhabrata Banerjee writing from India. I am running a small program which exploits around 12 1 to 2 KB .txt files. I am using MS Windows XP Service Pack 3 and Python 2.6 where IDLE is GUI. The text is plain ASCII text. The RAM of the machine is around 2 GB. To run the progr

Re: Slow output

On Wednesday, June 27, 2012 11:03:44 PM UTC+5:30, (unknown) wrote: > Dear Group, > I am Sri Subhabrata Banerjee writing from India. I am running a small program > which exploits around 12 1 to 2 KB .txt files. I am using MS Windows XP > Service Pack 3 and Python 2.6 where IDLE is GUI. The text is

Discussion on some Code Issues

Dear Group, I am Sri Subhabrata Banerjee trying to write from Gurgaon, India to discuss some coding issues. If any one of this learned room can shower some light I would be helpful enough. I got to code a bunch of documents which are combined together. Like, 1)A Mumbai-bound aircraft with

Re: Discussion on some Code Issues

On Thursday, July 5, 2012 4:51:46 AM UTC+5:30, (unknown) wrote: > Dear Group, > > I am Sri Subhabrata Banerjee trying to write from Gurgaon, India to discuss > some coding issues. If any one of this learned room can shower some light I > would be helpful enough. > > I got to code a bunch of do

Re: Discussion on some Code Issues

Dear Peter, That is a nice one. I am thinking if I can write "for lines in f" sort of code that is easy but then how to find out the slices then, btw do you know in any case may I convert the index position of file to the list position provided I am writing the list for the same file we are read

Re: Discussion on some Code Issues

On Thursday, July 5, 2012 4:51:46 AM UTC+5:30, (unknown) wrote: > Dear Group, > > I am Sri Subhabrata Banerjee trying to write from Gurgaon, India to discuss > some coding issues. If any one of this learned room can shower some light I > would be helpful enough. > > I got to code a bunch of do

Re: Discussion on some Code Issues

On Sunday, July 8, 2012 2:21:14 AM UTC+5:30, Dennis Lee Bieber wrote: > On Sat, 7 Jul 2012 12:54:16 -0700 (PDT), subhabangal...@gmail.com > declaimed the following in gmane.comp.python.general: > > > But I am bit intrigued with another question, > > > > suppose I say: > > file_open=open("/pytho

Re: Discussion on some Code Issues

On Sunday, July 8, 2012 1:33:25 PM UTC+5:30, Chris Angelico wrote: > On Sun, Jul 8, 2012 at 3:42 PM, wrote: > > Thanks for pointing out the mistakes. Your points are right. So I am trying > > to revise it, > > > > file_open=open("/python32/doc1.txt","r") > > for line in file_open: > > l

Re: Opening multiple Files in Different Encoding

On Tuesday, July 10, 2012 11:16:08 PM UTC+5:30, Subhabrata wrote: > Dear Group, > > I kept a good number of files in a folder. Now I want to read all of > them. They are in different formats and different encoding. Using > listdir/glob.glob I am able to find the list but how to open/read or > proc

Re: Discussion on some Code Issues

On Sunday, July 8, 2012 10:47:00 PM UTC+5:30, Chris Angelico wrote: > On Mon, Jul 9, 2012 at 3:05 AM, wrote: > > On Sunday, July 8, 2012 1:33:25 PM UTC+5:30, Chris Angelico wrote: > >> On Sun, Jul 8, 2012 at 3:42 PM, > wrote: > >> > file_open

HMM and CRF Package

Dear Group, I was looking for the following solutions. (i) a Python Hidden Markov Model(HMM) library. (ii)a Python Conditional Random Field(CRF) library. (iii) I am using Python 3.2.1 on Windows 7(64 bit) and also like to get a NLTK version. (iv) I may use unicode character as input. If any one

Re: HMM and CRF Package

On Tuesday, July 24, 2012 9:09:02 PM UTC+5:30, (unknown) wrote: > Dear Group, > > I was looking for the following solutions. > > (i) a Python Hidden Markov Model(HMM) library. > (ii)a Python Conditional Random Field(CRF) library. > (iii) I am using Python 3.2.1 on Windows 7(64 bit) and also like

Re: HMM and CRF Package

On Thursday, July 26, 2012 1:28:50 AM UTC+5:30, Terry Reedy wrote: > On 7/25/2012 11:58 AM, subhabangal...@gmail.com wrote: > > As most of the libraries give so many bindings and conditions best way > is to make it. Not very tough, I made earlier, but as some files were > lost so was thinking inst

Python Error

Dear Group, I was trying to convert the list to a set, with the following code: set1=set(list1) the code was running fine, but all on a sudden started to give the following error, set1=set(list1) TypeError: unhashable type: 'list' please let me know how may I resolve. And sometimes some good

Re: Python Error

On Sunday, July 29, 2012 2:57:18 PM UTC+5:30, (unknown) wrote: > Dear Group, > > > > I was trying to convert the list to a set, with the following code: > > > > set1=set(list1) > > > Dear Peter, Thanks for the answer. But my list does not contain another list that is the issue. Intriguing

Re: Python Error

On Sunday, July 29, 2012 7:53:59 PM UTC+5:30, Roy Smith wrote: > In article <81818a9c-60d3-48da-9345-0c0dfd5b2...@googlegroups.com>, > > subhabangal...@gmail.com wrote: > > > > > set1=set(list1) > > > > > > the code was running fine, but all on a sudden started to give the > > following >

Re: Python Error

On Sunday, July 29, 2012 2:57:18 PM UTC+5:30, (unknown) wrote: > Dear Group, > > > > I was trying to convert the list to a set, with the following code: > > > > set1=set(list1) > > > > the code was running fine, but all on a sudden started to give the following > error, > > > > set1=se

Re: Calling Values

On Friday, August 3, 2012 5:19:46 PM UTC+5:30, Subhabrata wrote: > Dear Group, > > > > I am trying to call the values of one function in the another function in the > following way: > > def func1(): > > num1=10 > > num2=20 > > print "The Second Number is:",num2 > >

Re: Calling Values

On Friday, August 3, 2012 10:50:52 PM UTC+5:30, Dennis Lee Bieber wrote: > On Fri, 3 Aug 2012 04:49:46 -0700 (PDT), Subhabrata > > declaimed the following in > > gmane.comp.python.general: > > > > > Dear Group, > > > > > > I am trying to call the values of one function in the another funct

Using Raw Data in NLTK

Dear Group, I am trying to use NLTK and its statistical classifiers. The system is working fine but I am trying to use my own data, instead of things like, from nltk.corpus import brown from nltk.corpus import names If any one can kindly guide me up. Thanks in Advance, Regards, Subhabrata. --

Re: HMM based Chunker NLTK

On Wednesday, September 19, 2012 12:40:00 AM UTC+5:30, Mark Lawrence wrote: > On 18/09/2012 19:35, subhabangal...@gmail.com wrote: > > > Dear Group, > > > If anyone of the learned members can kindly help with a HMM/CRF based > > chunker on NLTK. > > > > > > Regards, > > > Subhabrata. > > > >

Download issue.

Dear Group, I am using Python on Windows 7 SP-1 (64 bit). I have two versions of Python installed 2.7 and 3.2. I want to install networkx in both. How may I do that? If any one may kindly let me know. Regards, Subhabrata. -- http://mail.python.org/mailman/listinfo/python-list

Question on Python Split

Dear Group, Suppose I have a string as, "Project Gutenberg has 36000 free ebooks for Kindle Android iPad iPhone." I am terming it as, str1= "Project Gutenberg has 36000 free ebooks for Kindle Android iPad iPhone." I am working now with a split function, str_words=str1.split() so, I would ge

Re: Question on Python Split

On Monday, October 8, 2012 1:00:52 AM UTC+5:30, subhaba...@gmail.com wrote: > Dear Group, > > > > Suppose I have a string as, > > > > "Project Gutenberg has 36000 free ebooks for Kindle Android iPad iPhone." > > > > I am terming it as, > > > > str1= "Project Gutenberg has 36000 free eb

Understanding Code

Dear Group, To improve my code writing I am trying to read good codes. Now, I have received a code,as given below,(apology for slight indentation errors) the code is running well. Now to comprehend the code, I am looking to understand it completely. class Calculate: def __init__(self):

Re: Understanding Code

On Tuesday, November 13, 2012 4:12:52 PM UTC+5:30, Peter Otten wrote: > subhabangal...@gmail.com wrote: > > > > > Dear Group, > > > To improve my code writing I am trying to read good codes. Now, I have > > > received a code,as given below,(apology for slight indentation errors) the > > > cod

Few Issues on Parsing and Visualization

Dear Group, I am looking for some Python based Natural Language Tools. (i)Parsers (either syntactic or semantic). NLTK has but there I have to input the grammar. I am looking for straight built in library like nltk tagging module. (ii) I am looking for some ner extraction tools. NLTK has I am

Textmining

Dear Group, Python has one textming library, but I am failing to install it in Windows. If any one can kindly help. Regards, Subhabrata. -- http://mail.python.org/mailman/listinfo/python-list

Re: Textmining

On Saturday, December 1, 2012 5:13:17 AM UTC+5:30, Dave Angel wrote: > On 11/30/2012 02:48 PM, subhabangal...@gmail.com wrote: > > > Dear Group, > > > Python has one textming library, but I am failing to install it in Windows. > > > If any one can kindly help. > > > Regards, > > > Subhabrata.

Splitting Tree

Dear Group, I am using NLTK and I used the following command, chunk=nltk.ne_chunk(tag) print "The Chunk of the Line Is:",chunk The Chunk of the Line Is: (S ''/'' It/PRP is/VBZ virtually/RB a/DT homecoming/NN ,/, ''/'' said/VBD (PERSON Gen/NNP Singh/NNP) on/IN arrival/NN)

Re: Splitting Tree

On Sunday, December 2, 2012 5:39:32 PM UTC+5:30, subhaba...@gmail.com wrote: > Dear Group, > > > > I am using NLTK and I used the following command, > > > > chunk=nltk.ne_chunk(tag) > > print "The Chunk of the Line Is:",chunk > > > > > > The Chunk of the Line Is: (S > > ''/'' > >

List problem

Dear Group, I have a list of the following pattern, [("''", "''"), ('Eastern', 'NNP'), ('Army', 'NNP'), ('Commander', 'NNP'), ('Lt', 'NNP'), ('Gen', 'NNP'), ('Dalbir', 'NNP'), ('Singh', 'NNP'), ('Suhag', 'NNP'), ('briefed', 'VBD'), ('the', 'DT'), ('Army', 'NNP'), ('chief', 'NN'), ('on', 'IN'),

Re: List problem

On Sunday, December 2, 2012 9:29:22 PM UTC+5:30, Thomas Bach wrote: > On Sun, Dec 02, 2012 at 04:16:01PM +0100, Lutz Horn wrote: > > > > > > len([x for x in l if x[1] == 'VBD']) > > > > > > > Another way is > > > > sum(1 for x in l if x[1] == 'VBD') > > > > which saves the list creati

Conversion of List of Tuples

Dear Group, I have a tuple of list as, tup_list=[(1,2), (3,4)] Now if I want to covert as a simple list, list=[1,2,3,4] how may I do that? If any one can kindly suggest? Googling didn't help much. Regards, Subhabrata. -- http://mail.python.org/mailman/listinfo/python-list

Re: Conversion of List of Tuples

On Tuesday, December 4, 2012 1:28:17 AM UTC+5:30, subhaba...@gmail.com wrote: > Dear Group, > > > > I have a tuple of list as, > > > > tup_list=[(1,2), (3,4)] > > Now if I want to covert as a simple list, > > > > list=[1,2,3,4] > > > > how may I do that? > > > > If any one can kindl

A Discussion on Python and Data Visualization

Dear Group, I am trying to work out a data visualization module. Here, I am taking raw corpus,and processing it linguistically(tokenization,tagging,NED recognition) and then trying to link the NED's with Latent Semantic Analysis or Relationship Mining or Network graph theory or cluster analysis

Python Cluster

Dear Group, I am trying to use the cluster module as, >>> from cluster import * >>> data = [12,34,23,32,46,96,13] >>> cl = HierarchicalClustering(data, lambda x,y: abs(x-y)) >>> cl.getlevel(10) [[96], [46], [12, 13, 23, 34, 32]] >>> cl.getlevel(5) [[96], [46], [12, 13], [23], [34, 32]] but now I

Re: Python Cluster

On Wednesday, December 5, 2012 2:33:56 AM UTC+5:30, Miki Tebeka wrote: > On Tuesday, December 4, 2012 11:04:15 AM UTC-8, subhaba...@gmail.com wrote: > > > >>> cl = HierarchicalClustering(data, lambda x,y: abs(x-y)) > > > but now I want to visualize it if any one suggest how may I use > > visuali

Cosine Similarity

Dear Group, I am looking for some example of implementing Cosine similarity in python. I searched for hours but could not help much. NLTK seems to have a module but did not find examples. If anyone of the learned members may kindly help out. Regards, Subhabrata. -- http://mail.python.org/ma

Re: Cosine Similarity

T On Friday, December 7, 2012 9:47:46 AM UTC+5:30, Miki Tebeka wrote: > On Thursday, December 6, 2012 2:15:53 PM UTC-8, subhaba...@gmail.com wrote: > > > I am looking for some example of implementing Cosine similarity in python. > > I searched for hours but could not help much. NLTK seems to hav

Parsing in Python

Dear Group, I am looking at a readymade tool to resolve anaphora, and I am looking a Python based one. I checked NLTK. It has DRT parser. But I do not like that. In other parsers you have to insert grammar. But I am looking for a completely built in. If anyone can kindly suggest. Regards, S

Matplotlib/Pylab Error

Dear Group, I am trying to enumerate few interesting errors on pylab/matplotlib. If any of the learned members can kindly let me know how should I address them. I am trying to enumerate them as follows. i) >>> import numpy >>> import pylab >>> t = numpy.arange(0.0, 1.0+0.01, 0.01) >>> s = numpy

Re: Matplotlib/Pylab Error

On Tuesday, December 11, 2012 2:10:07 AM UTC+5:30, subhaba...@gmail.com wrote: > Dear Group, > > > > I am trying to enumerate few interesting errors on pylab/matplotlib. > > If any of the learned members can kindly let me know how should I address > them. > > > > I am trying to enumerate t

Graph Drawing

Dear Group, In networkx module we generally try to draw the graph as, >>> import networkx as nx >>> G=nx.Graph() >>> G.add_edge(1, 2, weight=4.7 ) >>> G.add_edge(1, 3, weight=4.5 ) . Now, if I want to retrieve the information of traversal from 1 to 3, I can give, G.edges() but I am looking

Question on for loop

Dear Group, If I take a list like the following: fruits = ['banana', 'apple', 'mango'] for fruit in fruits: print 'Current fruit :', fruit Now, if I want variables like var1,var2,var3 be assigned to them, we may take, var1=banana, var2=apple, var3=mango but can we do something to as

For Loop in List

Dear Group, I have a list like, >>> list1=[1,2,3,4,5,6,7,8,9,10,11,12] Now, if I want to take a slice of it, I can. It may be done in, >>> list2=list1[:3] >>> print list2 [1, 2, 3] If I want to iterate the list, I may do as, >>> for i in list1: print "Iterated Value Is:",i It

Subgraph Drawing

Dear Group, I have two questions, if I take a subseries of the matrix as in eigenvalue here, provided I have one graph of the full form in G, how may I show it, as if I do the nx.draw(G) it takes only the original graph. >>> import numpy >>> import networkx as nx >>> import matplotlib.pyplot as

Re: Subgraph Drawing

On Monday, January 14, 2013 6:05:49 AM UTC+5:30, Steven D'Aprano wrote: > On Sun, 13 Jan 2013 12:05:54 -0800, subhabangalore wrote: > > > > > Dear Group, > > > > > > I have two questions, if I take a subseries of the matrix as in > > > eige

Re: Question on for loop

On Friday, January 4, 2013 11:18:24 AM UTC+5:30, Steven D'Aprano wrote: > On Thu, 03 Jan 2013 12:04:03 -0800, subhabangalore wrote: > > > > > Dear Group, > > > If I take a list like the following: > > > > > > fruits = ['

Question on Python Conference

Dear Group, As I know Python Foundation organizes some conferences all through the year. Most probably they are known as Pycon. But I have some different question. The question is, is it possible to attend it by Video Conferencing? Or if I request for the same will it be granted? Regards, Subha

Maximum Likelihood Estimation

Dear Group, I am looking for a Python implementation of Maximum Likelihood Estimation. If any one can kindly suggest. With a google search it seems scipy,numpy,statsmodels have modules, but as I am not finding proper example workouts I am failing to use them. I am using Python 2.7 on Windows

Re: Maximum Likelihood Estimation

On Friday, February 1, 2013 11:07:48 PM UTC+5:30, 8 Dihedral wrote: > subhaba...@gmail.com於 2013年2月2日星期六UTC+8上午1時17分04秒寫道： > > > Dear Group, > > > > > > > > > > > > I am looking for a Python implementation of Maximum Likelihood Estimation. > > If any one can kindly suggest. With a goog

Re: Maximum Likelihood Estimation

On Friday, February 1, 2013 10:47:04 PM UTC+5:30, subhaba...@gmail.com wrote: > Dear Group, > > > > I am looking for a Python implementation of Maximum Likelihood Estimation. If > any one can kindly suggest. With a google search it seems > scipy,numpy,statsmodels have modules, but as I am not

Python String Handling

I have a string "Hello my name is Richard" I have a list of words as, ['Hello/Hi','my','name','is','Richard/P'] I want to identify the match of 'Hello' and 'Richard' in list, and replace them with 'Hello/Hi" and 'Richard/P' respectively. The result should look like, "Hello/Hi my name is Richard

Re: Python String Handling

On Saturday, November 12, 2016 at 7:34:31 AM UTC+5:30, Steve D'Aprano wrote: > On Sat, 12 Nov 2016 09:29 am wrote: > > > I have a string > > "Hello my name is Richard" > > > > I have a list of words as, > > ['Hello/Hi','my','name','is','Richard/P'] > > > > I want to identify the match of 'Hello'

Working around multiple files in a folder

I have a python script where I am trying to read from a list of files in a folder and trying to process something. As I try to take out the output I am presently appending to a list. But I am trying to write the result of individual files in individual list or files. The script is as follows:

UTF-8 Encoding Error

I am getting the error: UnicodeDecodeError: 'utf8' codec can't decode byte 0x96 in position 15: invalid start byte as I try to read some files through TaggedCorpusReader. TaggedCorpusReader is a module of NLTK. My files are saved in ANSI format in MS-Windows default. I am using Python2.7 on MS-

Re: UTF-8 Encoding Error

On Monday, December 26, 2016 at 3:37:37 AM UTC+5:30, Gonzalo V wrote: > Try utf-8-sig > El 25 dic. 2016 2:57 AM, "Grady Martin" <> escribió: > > > On 2016年12月22日 22時38分, wrote: > > > >> I am getting the error: > >> UnicodeDecodeError: 'utf8' codec can't decode byte 0x96 in position 15: > >> inval

Re: UTF-8 Encoding Error

On Friday, December 30, 2016 at 3:35:56 AM UTC+5:30, subhaba...@gmail.com wrote: > On Monday, December 26, 2016 at 3:37:37 AM UTC+5:30, Gonzalo V wrote: > > Try utf-8-sig > > El 25 dic. 2016 2:57 AM, "Grady Martin" <> escribió: > > > > > On 2016年12月22日 22時38分, wrote: > > > > > >> I am getting the

Re: UTF-8 Encoding Error

On Friday, December 30, 2016 at 7:16:25 AM UTC+5:30, Steve D'Aprano wrote: > On Sun, 25 Dec 2016 04:50 pm, Grady Martin wrote: > > > On 2016年12月22日 22時38分, wrote: > >>I am getting the error: > >>UnicodeDecodeError: 'utf8' codec can't decode byte 0x96 in position 15: > >>invalid start byte > > > >

String Replacement

I have a string like "Trump is $ the president of USA % Obama was $ the president of USA % Putin is $ the premier of Russia%" Here, I want to extract the portions from $...%, which would be "the president of USA", "the president of USA", "the premier of Russia" and would work some post extr

TypeError: expected string or Unicode object, NoneType found

I wrote a small piece of following code import nltk from nltk.corpus.reader import TaggedCorpusReader from nltk.tag import CRFTagger def NE_TAGGER(): reader = TaggedCorpusReader('/python27/', r'.*\.pos') f1=reader.fileids() print "The Files of Corpus are:",f1 sents=reader.tagged_s

Problem of writing long list of lists file to csv

I have a list of lists (177 lists). I am trying to write them as file. I used the following code to write it in a .csv file. import csv def word2vec_preprocessing(): a1=open("/python27/EngText1.txt","r") list1=[] for line in a1: line1=line.lower().replace(".","").split()

Re: Problem of writing long list of lists file to csv

On Tuesday, May 22, 2018 at 3:55:58 PM UTC+5:30, Peter Otten wrote: > > > > lst2=lst1[:4] > > with open("my_csv.csv","wb") as f: > > writer = csv.writer(f) > > writer.writerows(lst2) > > > > Here it is writing only the first four lists. > > Hint: look at the first line

Some Issues on Tagging Text

I have a text as, "Hawaii volcano generates toxic gas plume called laze PAHOA: The eruption of Kilauea volcano in Hawaii sparked new safety warnings about toxic gas on the Big Island's southern coastline after lava began flowing into the ocean and setting off a chemical reaction. Lava haze is

Re: Some Issues on Tagging Text

On Friday, May 25, 2018 at 3:59:57 AM UTC+5:30, Cameron Simpson wrote: > First up, thank you for a well described problem! Remarks inline below. > > On 24May2018 03:13, wrote: > >I have a text as, > > > >"Hawaii volcano generates toxic gas plume called laze PAHOA: The eruption of > >Kilauea volca

Re: Some Issues on Tagging Text

On Saturday, May 26, 2018 at 3:54:37 AM UTC+5:30, Cameron Simpson wrote: > On 25May2018 04:23, Subhabrata Banerjee wrote: > >On Friday, May 25, 2018 at 3:59:57 AM UTC+5:30, Cameron Simpson wrote: > >> On 24May2018 03:13, wrote: > >> >I have a text as, > >> > > >> >"Hawaii volcano generates toxic g

Re: Some Issues on Tagging Text

On Sunday, May 27, 2018 at 2:41:43 AM UTC+5:30, Cameron Simpson wrote: > On 26May2018 04:02, Subhabrata Banerjee wrote: > >On Saturday, May 26, 2018 at 3:54:37 AM UTC+5:30, Cameron Simpson wrote: > >> It sounds like you want a more general purpose parser, and that depends > >> upon > >> your purp

Index of entity in List with a Condition

I have the following sentence, "Donald Trump is the president of United States of America". I am trying to extract the index 'of', not only for single but also for its multi-occurance (if they occur), from the list of words of the string, made by simply splitting the sentence. index1=[index for

Re: Index of entity in List with a Condition

On Wednesday, June 13, 2018 at 6:30:45 AM UTC+5:30, Cameron Simpson wrote: > On 11Jun2018 13:48, Subhabrata Banerjee wrote: > >I have the following sentence, > > > >"Donald Trump is the president of United States of America". > > > >I am trying to extract the index 'of', not only for single but als

Question on List processing

Dear Group, I have a list of tuples, as follows, list1=[u"('koteeswaram/BHPERSN engaged/NA himself/NA in/NA various/NA philanthropic/NA activities/NA ','class1')", u"('koteeswaram/BHPERSN is/NA a/NA very/NA nice/NA person/NA ','class1')", u"('koteeswaram/BHPERSN came/NA to/NA mumbai/LOC but/

Re: Question on List processing

On Monday, April 25, 2016 at 10:07:13 PM UTC+5:30, Steven D'Aprano wrote: > On Tue, 26 Apr 2016 12:56 am, wrote: > > > Dear Group, > > > > I have a list of tuples, as follows, > > > > list1=[u"('koteeswaram/BHPERSN engaged/NA himself/NA in/NA various/NA > [... 17 more lines of data ...] > > Hi

Re: Question on List processing

On Monday, April 25, 2016 at 10:07:13 PM UTC+5:30, Steven D'Aprano wrote: > > > > Dear Group, > > > > I have a list of tuples, as follows, > > > > list1=[u"('koteeswaram/BHPERSN engaged/NA himself/NA in/NA various/NA > [... 17 more lines of data ...] > > Hi Subhabrata, and thanks for the quest

How may I change values in tuples of list of lists?

Hi I am trying to use the following set of tuples in list of lists. I am using a Python based library named, NLTK. >>> import nltk >>> from nltk.corpus import brown as bn >>> bt=bn.tagged_sents() >>> bt_5=bt[:5] >>> print bt [[(u'The', u'AT'), (u'Fulton', u'NP-TL'), (u'County', u'NN-TL'), (u'G

Error in Tree Structure

I was trying to implement the code, import nltk import nltk.tag, nltk.chunk, itertools def ieertree2conlltags(tree, tag=nltk.tag.pos_tag): words, ents = zip(*tree.pos()) iobs = [] prev = None for ent in ents: if ent == tree.node: iobs.append('O') pr

Re: Error in Tree Structure

On Saturday, February 27, 2016 at 9:43:56 PM UTC+5:30, Rustom Mody wrote: > On Saturday, February 27, 2016 at 2:47:53 PM UTC+5:30, subhaba...@gmail.com > wrote: > > I was trying to implement the code, > > > > import nltk > > import nltk.tag, nltk.chunk, itertools > > def ieertree2conlltags(tree,

Problem in creating list of lists

I have few sentences, like, the film was nice. leonardo is great. it was academy award. Now I want them to be tagged with some standards which may look like, the DT film NN was AV nice ADJ leonardo NN is AV great ADJ it PRP was AV academy NN award NN I could do it but my goal is to see it a

Review Request of Python Code

Dear Group, I am trying to write a code for pulling data from MySQL at the backend and annotating words and trying to put the results as separated sentences with each line. The code is generally running fine but I am feeling it may be better in the end of giving out sentences, and for small dat

Re: Review Request of Python Code

On Wednesday, March 9, 2016 at 9:49:17 AM UTC+5:30, subhaba...@gmail.com wrote: > Dear Group, > > I am trying to write a code for pulling data from MySQL at the backend and > annotating words and trying to put the results as separated sentences with > each line. The code is generally running fin

Re: Review Request of Python Code

On Friday, March 11, 2016 at 12:22:31 AM UTC+5:30, Matt Wheeler wrote: > On 10 March 2016 at 18:12, wrote: > > Matt, thank you for if...else suggestion, the data of NewTotalTag.txt > > is like a simple list of words with unconventional tags, like, > > > > w1 tag1 > > w2 tag2 > > w3 tag3 > > ... >

How to design a search engine in Python?

Dear Group, I am trying to build a search engine in Python. To do this, I have read tutorials and working methodologies from web and books like Stanford IR book [ http://www-nlp.stanford.edu/IR-book/]. I know how to design a crawler, I know PostgresSql, I am fluent with PageRank, TF-IDF, Zipf

Re: How to design a search engine in Python?

On Sunday, February 22, 2015 at 10:12:39 AM UTC+5:30, Steven D'Aprano wrote: > wrote: > > > Dear Group, > > > > I am trying to build a search engine in Python. > > How to design a search engine in Python? > > First, design a search engine. > > Then, write Python code to implement that search e

Re: How to design a search engine in Python?

On Sunday, February 22, 2015 at 11:08:47 AM UTC+5:30, Denis McMahon wrote: > On Sat, 21 Feb 2015 21:02:34 -0800, subhabangalore wrote: > > > Thank you for your suggestion. But I was looking for a small tutorial of > > algorithm of the whole engine. I would try to check i

Re: How to design a search engine in Python?

On Sunday, February 22, 2015 at 2:42:48 PM UTC+5:30, Laura Creighton wrote: > In a message of Sat, 21 Feb 2015 22:07:30 -0800, write > >Dear Sir, > > > >Thank you for your kind suggestion. Let me traverse one by one. > >My special feature is generally Semantic Search, but I am trying to build > >

Question on Debugging a code line

Dear Room, I was trying to go through a code given in http://en.wikipedia.org/wiki/Forward%E2%80%93backward_algorithm[ Forward Backward is an algorithm of Machine Learning-I am not talking on that I am just trying to figure out a query on its Python coding.] I came across the following codes.

Re: Question on Debugging a code line

On Sunday, May 11, 2014 12:57:34 AM UTC+5:30, subhaba...@gmail.com wrote: > Dear Room, > > > > I was trying to go through a code given in > http://en.wikipedia.org/wiki/Forward%E2%80%93backward_algorithm[ Forward > Backward is an algorithm of Machine Learning-I am not talking on that > > I am

Re: Question on Debugging a code line

On Sunday, May 11, 2014 11:50:32 AM UTC+5:30, subhaba...@gmail.com wrote: > On Sunday, May 11, 2014 12:57:34 AM UTC+5:30, subhaba...@gmail.com wrote: > > > Dear Room, > > > > > > > > > > > > I was trying to go through a code given in > > http://en.wikipedia.org/wiki/Forward%E2%80%93backwar

TextBlob on Windows

Dear Group, It seems there is a nice language processing library named TextBlob, like NLTK. But I am being unable to install it on my Windows(MS-Windows 7 machine. I am using Python 2.7 If anyone of the esteemed members may kindly suggest me the solution. I tried the note in following URL http

Lowest Value in List

Dear Group, I am trying to work out a solution to the following problem in Python. The Problem: Suppose I have three lists. Each list is having 10 elements in ascending order. I have to construct one list having 10 elements which are of the lowest value among these 30 elements present in the th

Re: Combing Search Engine with REST

On Friday, July 10, 2015 at 5:36:48 PM UTC+5:30, Laura Creighton wrote: > In a message of Fri, 10 Jul 2015 04:46:25 -0700, > writes: > >Dear Group, > > > >I am trying to make a search engine. I used Whoosh to do it. > >I want to add documents to it. This is going fine. > >Now, I want to add doc

Understanding Python Code

Dear Group, I have a Python code taken from Wikipedia.("http://en.wikipedia.org/wiki/Forward%E2%80%93backward_algorithm";) The code is pasted below. >>> states = ('Healthy', 'Fever') >>> end_state = 'E' >>> observations = ('normal', 'cold', 'dizzy') >>> start_probability = {'Healthy': 0.6, 'Fe

Re: Understanding Python Code

On Thursday, June 19, 2014 12:45:49 AM UTC+5:30, Ian wrote: > > > > The questions are, > > > i) prev_f_sum = sum(f_prev[k]*a[k][st] for k in states) > > > here f_prev is called, > > > f_prev is assigned to f_curr ["f_prev = f_curr"] > > > f_curr[st] is again being calculated as, ["f_curr[st

Re: Understanding Python Code

On Thursday, June 19, 2014 12:30:12 PM UTC+5:30, Ian wrote: > On Wed, Jun 18, 2014 at 11:50 PM, wrote: > > > Thank you for the reply. But as I checked it again I found, > > > f_prev[k] is giving values of f_curr[st] = e[st][x_i] * prev_f_sum > > > which is calculated later and again uses prev_

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