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Thread: How to vectorize a calculation
Post: RE: How to vectorize a calculation
| (Feb-03-2022, 08:01 AM)Gribouillis Wrote: What about
b /= infl.prod(axis=1)
Works like a charm, many thanks!! **smile** |
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Tuxedo |
General Coding Help |
2 |
1,287 |
Feb-03-2022, 06:53 PM |
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Thread: How to vectorize a calculation
Post: How to vectorize a calculation
| I have a 1D array containing ending values of a financial computation that has n elements and a matrix of inflation factors that has n rows and w columns. I'd like to divide each member of the 1D arr... |
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Tuxedo |
General Coding Help |
2 |
1,287 |
Feb-03-2022, 01:14 AM |
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Thread: trouble installing python package
Post: trouble installing python package
| Trying to install pyportfolioopt but got errors. Can anyone suggest what I should do?
Output:(base) xxx@xxx-Satellite-P55-A:~$ pip install pyportfolioopt
Collecting pyportfolioopt
Using cached htt... |
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Tuxedo |
Data Science |
1 |
3,223 |
Apr-07-2021, 01:58 AM |
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Thread: Undesired space after using \n in print
Post: RE: Undesired space after using \n in print
| Thanks! I figured it must be something simple. I've tried several internet searches but never could figure out the right wording of the search. |
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Tuxedo |
General Coding Help |
4 |
2,780 |
Mar-03-2021, 09:55 PM |
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Thread: Undesired space after using \n in print
Post: Undesired space after using \n in print
| This has been bugging me for a long time. The output has the first line shifted one space to the right. How to avoid the extra space?
x =[1, 2, 3]
print('\n',x)
print(x)Output: [1, 2, 3]
[1, 2, 3... |
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Tuxedo |
General Coding Help |
4 |
2,780 |
Mar-03-2021, 09:48 PM |
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Thread: Efficient method to find phrase in string
Post: RE: Efficient method to find phrase in string
| I actually have 6k transactions over a 5 year period. What I did was clean up each line of text then tokenize. I wrote the cleaned up lines to a csv file as well as the tokenized list (1700 unique i... |
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Tuxedo |
Data Science |
6 |
3,000 |
Feb-25-2021, 07:23 PM |
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Thread: Efficient method to find phrase in string
Post: RE: Efficient method to find phrase in string
| Ah, I think I understand now. Your suggestion is to tokenize the words in the description field to get a handle on how big the keyword/phrase list needs to be. |
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Tuxedo |
Data Science |
6 |
3,000 |
Feb-24-2021, 07:03 PM |
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Thread: Efficient method to find phrase in string
Post: RE: Efficient method to find phrase in string
| Hmmm, interesting idea. If I understand correctly, using my simple example of American, the tree node might have two branches, Air or Express. Or LUMBER might have two branches, LUMBER and PLUMBER. ... |
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Tuxedo |
Data Science |
6 |
3,000 |
Feb-23-2021, 06:24 PM |
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Thread: Efficient method to find phrase in string
Post: Efficient method to find phrase in string
| I'm creating an application to automatically categorize personal financial transactions based on the description (I know some institutions do that already but not any of the ones I use). My thought o... |
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Tuxedo |
Data Science |
6 |
3,000 |
Feb-22-2021, 10:13 PM |
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Thread: Gaussian Curve Fit using Scipy ODR
Post: RE: Gaussian Curve Fit using Scipy ODR
| Looks like your GaussModelConstant function may not be properly defined. According to the scipy odr documentation (https://docs.scipy.org/doc/scipy/reference/odr.html) the fitting function has the fo... |
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Tuxedo |
Data Science |
1 |
3,850 |
Feb-19-2021, 10:24 PM |
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Thread: Help with SQLITE DB
Post: RE: Help with SQLITE DB
| Wow, I have so much to learn. Thanks! |
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Tuxedo |
Data Science |
5 |
2,393 |
Feb-18-2021, 08:40 PM |
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Thread: Help with SQLITE DB
Post: RE: Help with SQLITE DB
| Hmmm, I'll try both. Thanks! |
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Tuxedo |
Data Science |
5 |
2,393 |
Feb-18-2021, 07:43 PM |
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Thread: Help with SQLITE DB
Post: Help with SQLITE DB
| I have a two part question. I've created a DB via SQLITE containing personal financial transactions consisting of transaction date, amount, description, and an assigned category (e.g. food, clothing,... |
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Tuxedo |
Data Science |
5 |
2,393 |
Feb-18-2021, 07:28 PM |
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Thread: Way to avoid repetition?
Post: RE: Way to avoid repetition?
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Tuxedo |
General Coding Help |
5 |
2,852 |
Feb-16-2021, 08:02 PM |
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Thread: Practical Use of Personal DB
Post: Practical Use of Personal DB
| I love using software technology but want to do more than just 'play'. I'd like to engage in a database project but am short on ideas. Can anyone suggest practical uses for a personal database? |
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Tuxedo |
News and Discussions |
3 |
2,640 |
Feb-15-2021, 05:36 PM |
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Thread: Way to avoid repetition?
Post: RE: Way to avoid repetition?
| (Feb-14-2021, 10:22 PM)deanhystad Wrote: That is a lot shorter, but it is also harder to read. What the heck is "x"? I have to read the code to find where x is defined and remember that x is the "... |
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Tuxedo |
General Coding Help |
5 |
2,852 |
Feb-15-2021, 05:28 PM |
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Thread: Way to avoid repetition?
Post: Way to avoid repetition?
| I'm playing around right now with sqlite and was wondering if there is some mechanism within Python to avoid repeated use of 'my_cursor' in the below snippet:
import sqlite3
conn = sqlite3.connect('e... |
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Tuxedo |
General Coding Help |
5 |
2,852 |
Feb-14-2021, 08:16 PM |
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Thread: Update Anaconda and Spyder??
Post: RE: Update Anaconda and Spyder??
| I guess the prudent thing to do is uninstall what I have and do a complete reinstall. I'll probably just continue using what I have until it doesn't work anymore, then do the above. |
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Tuxedo |
News and Discussions |
6 |
6,969 |
Feb-14-2021, 06:02 PM |
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Thread: Update Anaconda and Spyder??
Post: RE: Update Anaconda and Spyder??
| I really don't want to try creating a new environment before getting my current one updated/fixed. I tried 'conda update --all' and it gets stuck on the last line of the below (been sitting there for... |
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Tuxedo |
News and Discussions |
6 |
6,969 |
Feb-13-2021, 06:29 PM |
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Thread: Which Machine Learning Course is Best Between Udemy and Coursera
Post: RE: Which Machine Learning Course is Best Between ...
| edX has a vast array of courses from schools like MIT, Harvard, Stanford, etc. and as far as I can tell, they are all free if you audit them. edX Link |
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Tuxedo |
News and Discussions |
7 |
4,281 |
Feb-13-2021, 05:36 AM |
