Search Results
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Author |
Forum |
Replies |
Views |
Posted
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Thread: Combine groupby() and shift() in pandas
Post: Combine groupby() and shift() in pandas
Hi,
I have a following issue. I need to compute lagged means per groups in my dataframe. See following example:
import pandas as pd
df = pd.DataFrame(data={ 'name':["a","a","a","b","b","c" ] , 'valu... |
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rama27 |
Data Science |
0 |
4,153 |
Nov-17-2020, 09:49 PM |
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Thread: Pandas - compute means per category and time
Post: RE: Pandas - compute means per category and time
(Nov-12-2020, 04:49 PM)jefsummers Wrote: Not clear. Why is the 4th item, which is round 1, (5+1)/2? You have 2 round 1 entries by this time. And the 5th would be (4+2)/2? Still not getting how you a... |
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rama27 |
Data Science |
7 |
3,419 |
Nov-12-2020, 07:32 PM |
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Thread: Pandas - compute means per category and time
Post: RE: Pandas - compute means per category and time
(Nov-11-2020, 09:07 PM)jefsummers Wrote: How are you calculating those means? You only have 3 rounds. I kind of get the first 3 values in mean_per_round but do not see how you arrive at the last 3 v... |
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rama27 |
Data Science |
7 |
3,419 |
Nov-12-2020, 11:47 AM |
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Thread: Pandas - compute means per category and time
Post: Pandas - compute means per category and time
Hi, I have a following problem. I need to compute means per category and time (in my df named as a "round"). My simplified df looks like bellow:
df = pd.DataFrame(data={ 'name':["a","a","a","b","b","... |
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rama27 |
Data Science |
7 |
3,419 |
Nov-11-2020, 06:52 PM |
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Thread: How to upload dfs using for loop?
Post: RE: How to upload dfs using for loop?
Thanks for reply, but I am afraid that your solution is not suitable for my case. I need to load dfs separately, exactly how I write. |
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rama27 |
General Coding Help |
4 |
2,059 |
Nov-11-2020, 12:13 PM |
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Thread: How to upload dfs using for loop?
Post: RE: How to upload dfs using for loop?
Thanks for reply!
Yes, I am not doing this:
df1 = df.loc[df['round'] == 1]
df2 = df.loc[df['round'] == 2]
df3 = df.loc[df['round'] == 3]
df4 = df.loc[df['round'] == 4]
df5 = df.loc[df['round'] == 5]
... |
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rama27 |
General Coding Help |
4 |
2,059 |
Nov-11-2020, 11:00 AM |
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Thread: How to upload dfs using for loop?
Post: How to upload dfs using for loop?
Hi, I have a following problem. I would like to define new data frames using a for loop. I have a big dataframe df that contains values from all 6 rounds. I need to have df1, df2, df3, ... ,df6 that w... |
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rama27 |
General Coding Help |
4 |
2,059 |
Nov-10-2020, 04:58 PM |
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Thread: How many times was the button pressed in pyglet
Post: How many times was the button pressed in pyglet
Hi,
I have a following issue. I need to count how many times did I press any button on my keyboard. See following example:
import pyglet
@window.event
def on_key_press( symbol, mod):
count = 0
... |
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rama27 |
General Coding Help |
0 |
1,888 |
Oct-10-2020, 10:26 AM |
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Thread: How to append to list a function output?
Post: RE: How to append to list a function output?
Thank you @deanhystad for reply!
My desired output is a list [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]. Of course, I know I can do it by list(range(0, 10)) , but this is just an example of something more compl... |
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rama27 |
General Coding Help |
5 |
6,644 |
Aug-24-2020, 09:42 AM |
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Thread: How to append to list a function output?
Post: How to append to list a function output?
Hi, I have a following issue. I need to append a function's output into a list. See a simplified code bellow:
def output(n):
i = n
for i in range(0, n-1):
i +=1
print(i)
outp... |
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rama27 |
General Coding Help |
5 |
6,644 |
Aug-23-2020, 07:03 PM |
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Thread: Get html body of URL
Post: RE: Get html body of URL
Hi both, thanks for your replies!
@Larz60+ I checked it, and the status code is really 200.
import requests
url = "https://www.sreality.cz/hledani/pronajem/byty/praha?velikost=1%2B1,2%2Bkk&stavb... |
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rama27 |
Web Scraping & Web Development |
6 |
3,357 |
Aug-03-2020, 09:00 AM |
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Thread: Get html body of URL
Post: Get html body of URL
Hi,
I have a following issue. I would like to get HTML body of a webpage. I am beginning with Python, so to be clear - I need the same output as I get in Google chrome console using jquery command: &... |
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rama27 |
Web Scraping & Web Development |
6 |
3,357 |
Aug-02-2020, 04:14 PM |
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Thread: Append list into list within a for loop
Post: Append list into list within a for loop
Hi, I would like to append lists into one list in a for loop. See my code bellow:
def triangle(n: int):
pole = []
seznam = []
i = 0
j = 0
while j < n :
whi... |
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rama27 |
General Coding Help |
2 |
2,311 |
Jul-20-2020, 09:56 PM |