You can use the merge() function from the pandas library to merge three dataframes with the indicator option in Python. Here's an example code:
pandas 라이브러리의 merge() 함수를 사용하여 Python에서 표시기 옵션을 사용하여 세 개의 데이터 프레임을 병합할 수 있습니다. 다음은 예제 코드입니다:
import pandas as pd
# create three dataframes
df1 = pd.DataFrame({'key': ['A', 'B', 'C', 'D'], 'value1': [1, 2, 3, 4]})
df2 = pd.DataFrame({'key': ['B', 'D', 'E', 'F'], 'value2': [5, 6, 7, 8]})
df3 = pd.DataFrame({'key': ['A', 'B', 'F', 'G'], 'value3': [9, 10, 11, 12]})
# merge the dataframes using 'key' as the join key and specify the indicator option
merged_df = pd.merge(df1, df2, on='key', how='outer', indicator=True)
merged_df = pd.merge(merged_df, df3, on='key', how='outer', indicator=True)
print(merged_df)
In this example, we create three dataframes df1, df2, and df3, each with a column named 'key'. We then use the merge() function to merge the dataframes, specifying 'key' as the join key and 'outer' as the merge method (which includes all keys from both dataframes). Finally, we set the indicator parameter to True to include a column indicating the source of each row in the merged dataframe. The result is stored in the merged_df variable and printed to the console.
이 예제에서는 각각 'key'라는 열이 있는 세 개의 데이터프레임 df1, df2, df3을 만듭니다. 그런 다음 merge() 함수를 사용하여 데이터 프레임을 병합하고, 조인 키로 'key'를 지정하고 병합 방법(두 데이터 프레임의 모든 키를 포함하는 병합 방법)으로 'outer'를 지정합니다. 마지막으로, 병합된 데이터 프레임에 각 행의 출처를 나타내는 열을 포함하도록 표시기 매개 변수를 True로 설정합니다. 결과는 merged_df 변수에 저장되고 콘솔에 인쇄됩니다.
위와 같이 답변을 받을 수 있었고, 이번에는 번역툴을 파파고나 아닌 딥엘이라는 번역기를 사용해서 작업을 해보았다.
(나쁘지는 않은듯~)
하지만!!!!
코드가 먹히지를 않는다!!!!
---------------------------------------------------------------------------
ValueError Traceback (most recent call last)
<ipython-input-1-35e2c9af28c5> in <module>
8 # merge the dataframes using 'key' as the join key and specify the indicator option
9 merged_df = pd.merge(df1, df2, on='key', how='outer', indicator=True)
---> 10 merged_df = pd.merge(merged_df, df3, on='key', how='outer', indicator=True)
11
12 print(merged_df)
2 frames
/usr/local/lib/python3.8/dist-packages/pandas/core/reshape/merge.py in _indicator_pre_merge(self, left, right)
762 )
763 if self.indicator_name in columns:
--> 764 raise ValueError(
765 "Cannot use name of an existing column for indicator column"
766 )
ValueError: Cannot use name of an existing column for indicator column
Sure, I can guide you through creating an Ichimoku Chart for a stock in Python. The Ichimoku Chart is a popular technical analysis tool that combines multiple indicators to provide a comprehensive view of a stock's price action.
To create an Ichimoku Chart, we need to calculate several indicators and plot them on a chart. The indicators we will use are: Tenkan-sen (Conversion Line): This is the midpoint of the highest high and lowest low over the past 9 periods.Kijun-sen (Base Line): This is the midpoint of the highest high and lowest low over the past 26 periods.Senkou Span A (Leading Span A): This is the average of the Tenkan-sen and Kijun-sen plotted 26 periods ahead.Senkou Span B (Leading Span B): This is the midpoint of the highest high and lowest low over the past 52 periods, plotted 26 periods ahead.Chikou Span (Lagging Span): This is the current closing price plotted 26 periods behind. Here is the Python code to calculate these indicators and plot the Ichimoku Chart for a stock:
전 그나마 얼마되지 않는 짬밥 좀 있다고 위에 리턴해준 코드를 보자마자 에러 날것을 알고 있었지만...
이런 문구를 보니 친절하지 않는 GPT에게 서운함이..ㅎㅎ
상단에 csv로 저장하는 부분. 즉 데이터가 있어야 합니다.
역시나 엄청 친절하지는 않는 GPT아조씨..ㅋ
걍 제가 작성해도 되지만..
그래도 다시 한번 물어봤습니다.
how to get the stock_price_data.csv
솔직히 기대를 안하고 물어봤는데...
To get the 'stock_price_data.csv' file, you can use a financial data API or a web scraper to retrieve the historical stock price data for the desired stock. Here's an example of how to use the 'yfinance' library in Python to download historical stock price data:
import yfinance as yf
# Set the stock ticker symbol and the date range
ticker = 'AAPL'
start_date = '2020-01-01'
end_date = '2022-02-24'
# Download the historical stock price data using yfinance
data = yf.download(ticker, start=start_date, end=end_date)
# Save the data to a CSV file
data.to_csv('stock_price_data.csv')
This code will download the historical stock price data for Apple (AAPL) from January 1, 2020 to February 24, 2022 and save it to a CSV file named stock_price_data.csv in the current directory. You can modify the code to download the data for a different stock and date range by changing the ticker, start_date, and end_date variables.
예상외로..간략한 사용법과 함께 yfinance 라이브러리로 실행하는 방법을 알려줍니다.
전 구글코랩을 자주 이용하기 때문에 yfinance가 설치가 안되어 있어서 에러가 날줄? 알지만. 걍 복붙 해봅니다.ㅎ
역시나 ' No module named 'yfinance' 를 뱉어내는 군요^^
그래서!!!!!!! 또 물어봤습니다.
how to install yfinance library in python.
(너무나 정직한(?) 저의 검소한 영어 실력.ㅋ)
To install the yfinance library in Python, you can use pip, which is a package manager for Python. Here are the steps to install yfinance: 1. Open a terminal or command prompt. 2. Type pip install yfinance and press Enter. 3. Wait for pip to download and install the yfinance library and its dependencies. Here's an example of how to use yfinance to download historical stock price data:
import yfinance as yf
# Set the stock ticker symbol and the date range
ticker = 'AAPL'
start_date = '2020-01-01'
end_date = '2022-02-24'
# Download the historical stock price data using yfinance
data = yf.download(ticker, start=start_date, end=end_date)
# Print the data to the console
print(data)
This code will download the historical stock price data for Apple (AAPL) from January 1, 2020 to February 24, 2022 and print it to the console. You can modify the code to download the data for a different stock and date range by changing the ticker, start_date, and end_date variables.
please make the code for lotto number using python language in South Korea.
Sure, here is an example code for generating a set of six random lotto numbers (1-45) in Python:
import random
# Set the number of lotto numbers to generate
num_numbers = 6
# Set the range of possible lotto numbers (1-45)
min_number = 1
max_number = 45
# Generate a list of unique random lotto numbers
lotto_numbers = random.sample(range(min_number, max_number+1), num_numbers)
# Sort the lotto numbers in ascending order
lotto_numbers.sort()
# Print the lotto numbers
print("Today's lotto numbers are:")
for number in lotto_numbers:
print(number, end=' ')
Please note that this code is for educational purposes only and should not be used to generate actual lotto numbers for gambling or other purposes.
친절한 주석과 함께 결과를 리턴해줍니다.
구글 코랩에서 이 코드를 실행해보았습니다.
Today's lotto numbers are:
12 22 23 26 30 34
Today's lotto numbers are:
5 8 11 37 38 42
어찌보면 간단하다고 볼수 있지만, 생각도 하지 않고 검색해서 뚝딱하고 나오니 소오름~~~^^;;
requests 와 함께 headers 정보의 user-agent 를 같이 넘겨주게 되면 해결 할 수 있어요.
아래는 구글 영화 정보 사이트의 인기차트 내용에 대해서 보는 것인데요.
헤더 정보를 넣는냐 아니냐에 따라서 정보가 달라지는 것을 볼 수 있습니다.
[헤더 정보를 넣었을 때]
import requests
from bs4 import BeautifulSoup
url = "https://play.google.com/store/movies/top"
headers = {'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.107 Safari/537.36 Edg/92.0.902.62'}
res = requests.get(url, headers=headers)
soup = BeautifulSoup(res.text, 'html.parser')
movie_list = soup.select('#fcxH9b > div.WpDbMd > c-wiz > div > c-wiz > div > div > c-wiz > c-wiz > c-wiz > div > div.ZmHEEd > div:nth-child(1) > c-wiz > div > div > div.RZEgze > div > div > div.bQVA0c > div > div > div.b8cIId.ReQCgd.Q9MA7b > a > div')
movie_list
[<div class="WsMG1c nnK0zc" title="A Quiet Place Part II">A Quiet Place Part II</div>]
[헤더 정보를 빼고 호출하였을때]
import requests
from bs4 import BeautifulSoup
url = "https://play.google.com/store/movies/top"
res = requests.get(url)
soup = BeautifulSoup(res.text, 'html.parser')
movie_list = soup.select('#fcxH9b > div.WpDbMd > c-wiz > div > c-wiz > div > div > c-wiz > c-wiz > c-wiz > div > div.ZmHEEd > div:nth-child(1) > c-wiz > div > div > div.RZEgze > div > div > div.bQVA0c > div > div > div.b8cIId.ReQCgd.Q9MA7b > a > div')
movie_list
[<div class="WsMG1c nnK0zc" title="F9: The Fast Saga">F9: The Fast Saga</div>,
<div class="WsMG1c nnK0zc" title="Rick and Morty">Rick and Morty</div>,
<div class="WsMG1c nnK0zc" title="Gotron Jerrysis Rickvangelion">Gotron Jerrysis Rickvangelion</div>]
import schedule
import time
def job():
print("I'm working...")
# Run job every 3 second/minute/hour/day/week,
# Starting 3 second/minute/hour/day/week from now
schedule.every(3).seconds.do(job)
schedule.every(3).minutes.do(job)
schedule.every(3).hours.do(job)
schedule.every(3).days.do(job)
schedule.every(3).weeks.do(job)
# Run job every minute at the 23rd second
schedule.every().minute.at(":23").do(job)
# Run job every hour at the 42rd minute
schedule.every().hour.at(":42").do(job)
# Run jobs every 5th hour, 20 minutes and 30 seconds in.
# If current time is 02:00, first execution is at 06:20:30
schedule.every(5).hours.at("20:30").do(job)
# Run job every day at specific HH:MM and next HH:MM:SS
schedule.every().day.at("10:30").do(job)
schedule.every().day.at("10:30:42").do(job)
# Run job on a specific day of the week
schedule.every().monday.do(job)
schedule.every().wednesday.at("13:15").do(job)
schedule.every().minute.at(":17").do(job)
while True:
schedule.run_pending()
time.sleep(1)
Cancel a job
To remove a job from the scheduler, use theschedule.cancel_job(job)method
# 특수문자 없애기-1
characters = "/'!?|*<>:\\"
str_title = "안녕하세요_!@##$%%^^|/'!?|*<>:\\: Goodmorning"
new_title = ''.join(x for x in str_title if x not in characters)
print(new_title)
#출력
안녕하세요_@##$%%^^ Goodmorning
Therangetype represents an immutable sequence of numbers and is commonly used for looping a specific number of times inforloops.
classrange(stop)classrange(start,stop[,step])
The arguments to the range constructor must be integers (either built-inintor any object that implements the__index__special method). If thestepargument is omitted, it defaults to1. If thestartargument is omitted, it defaults to0. Ifstepis zero,ValueErroris raised.
For a positivestep, the contents of a rangerare determined by the formular[i]=start+step*iwherei>=0andr[i]<stop.
For a negativestep, the contents of the range are still determined by the formular[i]=start+step*i, but the constraints arei>=0andr[i]>stop.
A range object will be empty ifr[0]does not meet the value constraint. Ranges do support negative indices, but these are interpreted as indexing from the end of the sequence determined by the positive indices.
Ranges containing absolute values larger thansys.maxsizeare permitted but some features (such aslen()) may raiseOverflowError.
Ranges implement all of thecommonsequence operations except concatenation and repetition (due to the fact that range objects can only represent sequences that follow a strict pattern and repetition and concatenation will usually violate that pattern).
start
The value of thestartparameter (or0if the parameter was not supplied)
stop
The value of thestopparameter
step
The value of thestepparameter (or1if the parameter was not supplied)
The advantage of therangetype over a regularlistortupleis that arangeobject will always take the same (small) amount of memory, no matter the size of the range it represents (as it only stores thestart,stopandstepvalues, calculating individual items and subranges as needed).
Testing range objects for equality with==and!=compares them as sequences. That is, two range objects are considered equal if they represent the same sequence of values. (Note that two range objects that compare equal might have differentstart,stopandstepattributes, for examplerange(0)==range(2,1,3)orrange(0,3,2)==range(0,4,2).)
Changed in version 3.2:Implement the Sequence ABC. Support slicing and negative indices. Testintobjects for membership in constant time instead of iterating through all items.
Changed in version 3.3:Define ‘==’ and ‘!=’ to compare range objects based on the sequence of values they define (instead of comparing based on object identity).
# 상기 주소로 가서 Candlestick class 의 parameter 을 살펴보면 다양한 종류가 있습니다.
# 이전 살펴보기에서 어떤식으로 간략히 그릴수 있는지 살펴봤었고, x, close, high, open, low 값을 통해 그릴 수 있었습니다.
# 이외에도 다양하게 있는데 하나씩 살펴볼려고 합니다.
* 찾아봐도 모르겠는건 과감히~~^^ pass~~^^;;;;;;;;;;;; 누가 좀 알려주세용~^^
* close– Sets the close values.
# 종가 가격
* closesrc– Sets the source reference on Chart Studio Cloud for close .
# Chart Studio Cloud 에서 어떤 셋팅을 하는 것 같다. 주피터에서는 별다른 작동을 안함.
* customdata– Assigns extra data each datum. This may be useful when listening to hover, click and selection events. Note that, “scatter” traces also appends customdata items in the markers DOM elements
패치#노트코딩, 주식, 자동매매, 백테스팅, 데이터분석 등 관심 블로그
비전공자이지만 금융 및 관련 프로그래밍에 관심을 두고 열심히 공부중입니다.
우리 모두 경제적 자유를 위해 성공해봅시다!!
※ 혹시, 블로그 내용중 문제되는 내용있으시면 알려주시면 삭제/수정 토록하겠습니다.
※ 모든 내용들은 투자 권유가 아니오니 참고만 하시고, 또한 출처는 모두 표기토록 노력하겠으나 혹시 문제가 되는 글이 있다면 댓글로 남겨주세요~^^