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Thread: df string manipulation before / after / when single digit pad zero
Post: RE: df string manipulation before / after / when s...
| Hi snippsat,
Many thanks for your reply.
Is there a way to try parsing it, if it doesnt parse, then it doesnt.
I have dates that contain strings or even months as strings in different languages.
It wo... |
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metalray |
Data Science |
3 |
2,964 |
Oct-16-2018, 01:32 PM |
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Thread: df string manipulation before / after / when single digit pad zero
Post: RE: df string manipulation before / after / when s...
| xxx = re.sub(r'(\_a)?\.([^\.]*)$' , r'_suff.\2',"long.file.name.jpg")
xxxy = re.sub(r'^\d{1,2}\/\d{1,2}\/(\d{2}$)' , r'19\1', "1/3/85")
print(xxxy)OK I made some progress. However the 1/3/ are not pr... |
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metalray |
Data Science |
3 |
2,964 |
Oct-12-2018, 02:02 PM |
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Thread: df string manipulation before / after / when single digit pad zero
Post: df string manipulation before / after / when singl...
| Dear Python Experts,
I have some dates that I need to clearn up.
d = {'col1': ['1/25/84', '2/8/86'],}
dfdates = pd.DataFrame(data=d)
print(dfdates)For the first date, I want to add a zero to all sin... |
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metalray |
Data Science |
3 |
2,964 |
Oct-08-2018, 09:58 AM |
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Thread: clean up list elements and replace
Post: RE: clean up list elements and replace
| Wow, Thanks perfringo!
That is something to chew on :D |
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metalray |
General Coding Help |
7 |
4,239 |
Aug-30-2018, 08:13 AM |
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Thread: os.listdir(path) and non-string as input
Post: RE: os.listdir(path) and non-string as input
| OK, got it.
outpath = os.path.join(rootdir, dir+"_flip")
now I a at this: |
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metalray |
General Coding Help |
4 |
16,691 |
Aug-15-2018, 11:43 AM |
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Thread: os.listdir(path) and non-string as input
Post: RE: os.listdir(path) and non-string as input
| Why is outpath not concatenating properly?
#interate through tub folders
rootdir = 'C:/Users/xxx/data_thinktank/'
for root, dirs, files in os.walk(rootdir):
flip = r'_flip'
... |
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metalray |
General Coding Help |
4 |
16,691 |
Aug-14-2018, 05:52 PM |
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Thread: os.listdir(path) and non-string as input
Post: RE: os.listdir(path) and non-string as input
| Hi Gribouillis,
Thank you so much for your input!
I see, thanks for the hint.
I thought I can just leave the other two out if I only want the "dir". OK.
Now I am here:
TypeError: listdir: path shou... |
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metalray |
General Coding Help |
4 |
16,691 |
Aug-14-2018, 03:21 PM |
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Thread: os.listdir(path) and non-string as input
Post: os.listdir(path) and non-string as input
| Dear Python Experts,
I am trying to interate through folders in my root directory.
With the start of the first interation (folder) a new folder should be created
named existingname+'_flip'.
I then w... |
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metalray |
General Coding Help |
4 |
16,691 |
Aug-14-2018, 12:44 PM |
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Thread: clean up list elements and replace
Post: RE: clean up list elements and replace
| Hi perfringo,
thanks for your suggestion.
The dates are of various formats, I wish I could do date conversion in a second, seperate step.
Right now, what worries me most is the clean up.
I tried the... |
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metalray |
General Coding Help |
7 |
4,239 |
Jul-25-2018, 01:50 PM |
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Thread: clean up list elements and replace
Post: clean up list elements and replace
| Dear Python Experts,
I am looking for a loop that goes through my elements in the list and removes
the comma , and ' ' signs. All other strings should remain and occurences like "March" be replaced b... |
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metalray |
General Coding Help |
7 |
4,239 |
Jul-17-2018, 12:03 PM |
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Thread: regex to extract only yy or yyyy
Post: regex to extract only yy or yyyy
| Dear Python/Regex Experts,
I have two regex patterns that I use in Python that need a little improvement.
1. #m/d/yy month in Digits e.g. 1/2/98
pattern1 = r'(\d{1}/\d{1}/\d{2})'
I need an extra co... |
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metalray |
General Coding Help |
2 |
3,582 |
Jul-11-2018, 11:29 AM |
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Thread: [split] regular expression
Post: RE: [split] regular expression
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metalray |
Homework |
2 |
3,022 |
Jun-14-2018, 03:15 PM |
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Thread: reading, modifying and writing json file
Post: RE: reading, modifying and writing json file
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metalray |
Data Science |
2 |
10,944 |
Jun-06-2018, 03:09 PM |
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Thread: reading, modifying and writing json file
Post: reading, modifying and writing json file
| Hi Python Experts,
I am trying to open a json file, modify the content and write it to a different directory.
The code runs but nothing is really happening.
I am not sure what should come first, the... |
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metalray |
Data Science |
2 |
10,944 |
Jun-06-2018, 09:23 AM |
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Thread: [split] regular expression
Post: [split] regular expression
| I have a regex question as well :)
Got a few more dates that I need to find and look for mainly of the
following format: 26 August 1982 05 Mar 1974 *** May 15, 1989 **
Mar. 10, 1976 Dec 14 1975 On ... |
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metalray |
Homework |
2 |
3,022 |
Jun-05-2018, 11:09 AM |
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Thread: missing pandas even if in conda list
Post: RE: missing pandas even if in conda list
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metalray |
Data Science |
2 |
3,460 |
May-29-2018, 12:52 PM |
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Thread: missing pandas even if in conda list
Post: missing pandas even if in conda list
| Dear Python Experts,
I wonder why pandas is noted as missing even if I have it in my list.
(donkey) C:\Users\HOL\d2>conda list
# packages in environment at C:\Users\HOL\AppData\Local\Continuum\mi... |
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metalray |
Data Science |
2 |
3,460 |
May-29-2018, 09:14 AM |
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Thread: regex.findall and data frame
Post: RE: regex.findall and data frame
| (May-06-2018, 05:43 PM)killerrex Wrote: our first pattern reduces to r'[01]?\d/(?:[0-2]\d|3[01])/(?:19\d\d|[2-9]\d{3})'
OK I have progressed by doing a loop and going through the data frame.
That i... |
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metalray |
Homework |
6 |
9,969 |
May-15-2018, 02:35 PM |
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Thread: Looping through files, check content and delete
Post: Looping through files, check content and delete
| Dear Python Experts,
I wonder if it is possible to write a small python program
that goes through my 50 000 .json files on my windows machine and deletes every .json file that conains "throttle":"0" ... |
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metalray |
General Coding Help |
1 |
2,389 |
May-11-2018, 02:12 PM |
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Thread: regex.findall and data frame
Post: RE: regex.findall and data frame
| stringsearch2 = df['text'].str.findall(pattern1,pattern2) does not work either. |
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metalray |
Homework |
6 |
9,969 |
May-11-2018, 02:04 PM |
