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Thread: List all possibilities of a nested-list by flattened lists
Post: RE: List all possibilities of a nested-list by fla...
| Got that!
import itertools
S = [['he', 'she'], ['has'], ['1', '2'], ['watch']]
print(list(itertools.product(*S)))
Output: [('he', 'has', '1', 'watch'), ('he', 'has', '2', 'watch'), ('she', 'has', '... |
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sparkt |
General Coding Help |
1 |
922 |
Feb-23-2023, 02:21 PM |
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Thread: List all possibilities of a nested-list by flattened lists
Post: List all possibilities of a nested-list by flatten...
| S = [['he', 'she'], 'has', ['1', '2'], 'watch']
A list inside the list S indicates a possibility of a statement.
So there are four possibilities here:
'he has 1 watch'
'he has 2 watch'
'she has 1 w... |
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sparkt |
General Coding Help |
1 |
922 |
Feb-23-2023, 06:46 AM |
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Thread: I tried every way to scrap morningstar financials data without success so far
Post: RE: I tried every way to scrap morningstar financi...
| It's good to learn about that, thanks!
I edited the codes using BeautifulSoup and am able to get a dataframe now. Not as difficult as I thought! |
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sparkt |
Web Scraping & Web Development |
2 |
8,269 |
Oct-20-2020, 05:43 PM |
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Thread: I tried every way to scrap morningstar financials data without success so far
Post: I tried every way to scrap morningstar financials ...
| I tried every way I can think of and search out in an attempt to scrap morningstar financials data into any processable form like csv or dataframe, for instance from here:
https://financials.morningst... |
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sparkt |
Web Scraping & Web Development |
2 |
8,269 |
Oct-19-2020, 05:25 PM |
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Thread: Dataframe mean calculation problem: do we have to loop?
Post: RE: Dataframe mean calculation problem
| I got it, though I expected something much simpler.
df['C'] = 0.0
for i in df.index:
df['C'][i] = df[['A', 'B']][i:].mean().mean()
print(df)But do we have to use this for loop to go through all ... |
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sparkt |
General Coding Help |
1 |
2,180 |
Aug-28-2020, 02:41 PM |
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Thread: Dataframe mean calculation problem: do we have to loop?
Post: Dataframe mean calculation problem: do we have to ...
| Suppose we have a very simple dataframe.
import pandas as pd
df = pd.DataFrame({'A': [1, 2, 5, 6, 7], 'B': [20, 30, 50, 90, 80]})
print(df) A B
0 1 20
1 2 30
2 5 50
3 6 90
4 7 80
The ... |
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sparkt |
General Coding Help |
1 |
2,180 |
Aug-27-2020, 05:44 PM |
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Thread: How to load log.txt directly into python codes?
Post: RE: How to load log.txt directly into python codes...
| I got it! Thank you for your thorough explanation, this alone also saves me lots of time! |
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sparkt |
General Coding Help |
6 |
2,986 |
Aug-21-2020, 03:51 PM |
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Thread: How to change row 2 to column header within a dataframe
Post: RE: How to change row 2 to column header within a ...
| (Aug-20-2020, 03:42 PM)Marbelous Wrote: Yes, there is an easy way built in to pandas to do exactly that. Have you looked at the docs???
https://pandas.pydata.org/pandas-docs/st...d_csv.html
Take ... |
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sparkt |
General Coding Help |
2 |
2,155 |
Aug-20-2020, 05:12 PM |
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Thread: How to change row 2 to column header within a dataframe
Post: How to change row 2 to column header within a data...
| The following would read currency exchange rate data from an excel file online, but within the workbook, table name is written on row 1, column header is written on row 2 instead.
import pandas as p... |
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sparkt |
General Coding Help |
2 |
2,155 |
Aug-20-2020, 03:31 PM |
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Thread: How to load log.txt directly into python codes?
Post: RE: How to load log.txt directly into python codes...
| OK thanks. Not so complicated about the load part but seems to me more complicated about the os part. Might go through it if I need, now seems the json part is good for me enough. |
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sparkt |
General Coding Help |
6 |
2,986 |
Aug-20-2020, 03:25 PM |
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Thread: How to load log.txt directly into python codes?
Post: RE: How to load log.txt directly into python codes...
| (Aug-18-2020, 04:20 PM)Larz60+ Wrote: why not start with the data already in a text or json file?
then it's a simple read() or json.load operation to import.
I think that's exactly what I'm looking ... |
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sparkt |
General Coding Help |
6 |
2,986 |
Aug-19-2020, 04:27 PM |
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Thread: How to load log.txt directly into python codes?
Post: How to load log.txt directly into python codes?
| I wrote a very simple program which can retrieve some data I need. It's then written to a txt file. It looks like the following.
Tencentlh = ([0.675000011920929, 0.8550000190734863, 1.6699999570846... |
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sparkt |
General Coding Help |
6 |
2,986 |
Aug-18-2020, 02:55 PM |
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Thread: Defining multiple functions in the same def process
Post: RE: Defining multiple functions in the same def pr...
| (Aug-09-2020, 05:13 PM)ndc85430 Wrote: map takes a function as its first argument and applies it to each item of the iterable passed as its second argument. In the two examples, I pass in two differ... |
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sparkt |
General Coding Help |
5 |
2,837 |
Aug-09-2020, 06:19 PM |
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Thread: Defining multiple functions in the same def process
Post: RE: Defining multiple functions in the same def pr...
| (Aug-08-2020, 06:10 PM)Yoriz Wrote: You can return a tuple of results
Thanks for the input. In that case I would have to assign "ratio" and "index" to a single result only, because ratio and index a... |
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sparkt |
General Coding Help |
5 |
2,837 |
Aug-09-2020, 05:02 PM |
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Thread: Defining multiple functions in the same def process
Post: Defining multiple functions in the same def proces...
| I'm trying to define a function which would give multiple value outputs after some tedious calculation. Based on my current knowledge the best I can do now is to let it return a dictionary. Below is a... |
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sparkt |
General Coding Help |
5 |
2,837 |
Aug-08-2020, 05:11 PM |
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Thread: How to define a function to create a resorted list?
Post: RE: How to define a function to create a resorted ...
| (Aug-07-2020, 05:26 PM)deanhystad Wrote: Look up sorting keys in the python documentation. They even provide examples. I wrote a 3 line script to sort you list by deviation from the mean. Used the... |
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sparkt |
General Coding Help |
6 |
2,840 |
Aug-08-2020, 04:10 PM |
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Thread: How to define a function to create a resorted list?
Post: RE: How to define a function to create a resorted ...
| (Aug-07-2020, 05:13 PM)deanhystad Wrote: Why not use a sorting key?
How does that work? Further info would be appreciated. |
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sparkt |
General Coding Help |
6 |
2,840 |
Aug-07-2020, 05:21 PM |
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Thread: How to define a function to create a resorted list?
Post: RE: How to define a function to create a resorted ...
| Thanks a lot for the help, I feel progress! |
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sparkt |
General Coding Help |
6 |
2,840 |
Aug-07-2020, 02:45 PM |
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Thread: How to define a function to create a resorted list?
Post: How to define a function to create a resorted list...
| After day-long trial-and-error and research I found the code from web which does what I tried to do, i.e. resorting a list according to absolute difference to a value.
def sortleastdev(a, val):
... |
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sparkt |
General Coding Help |
6 |
2,840 |
Aug-06-2020, 06:33 PM |
