title: "Pandas with Numpy Zeros" author: "Rj" date: 2019-04-20 description: "-" type: technical_note draft: false
import numpy as np
import pandas as pd
dtype = [('Col1','int32'), ('Col2','float32'), ('Col3','float32')]
values = np.zeros(20, dtype=dtype)
index = ['Row'+str(i) for i in range(1, len(values)+1)]
df = pd.DataFrame …Category: data-wrangling
Read Moretitle: "Pandas with Random Int" author: "Rj" date: 2019-04-22 description: "-" type: technical_note draft: false
import numpy as np
import pandas as pd
df = pd.DataFrame(np.random.randint(0, 100, size=(3, 2)), columns=list('xy'))
df
Category: data-wrangling
Read More!python --version
Python 3.12.4
from constants import OPENAI_API_KEY
!pip show langchain-openai | grep "Version:"
Version: 0.2.9
import os
os.environ["OPENAI_API_KEY"] = OPENAI_API_KEY
from langchain_openai import ChatOpenAI
model = ChatOpenAI(model="gpt-4o-mini")
from langchain_community.vectorstores import FAISS
from langchain_core.output_parsers import StrOutputParser
from langchain_core.prompts import ChatPromptTemplate
from …Category: langchain
Read More!python --version
Python 3.12.4
from constants import OPENAI_API_KEY
!pip show langchain-openai | grep "Version:"
Version: 0.2.9
import os
os.environ["OPENAI_API_KEY"] = OPENAI_API_KEY
from langchain_openai import ChatOpenAI
model = ChatOpenAI(model="gpt-4o-mini")
from langchain_community.vectorstores import FAISS
from langchain_core.output_parsers import StrOutputParser
from langchain_core.prompts import ChatPromptTemplate
from …Category: langchain
Read More!python --version
Python 3.12.4
from constants import OPENAI_API_KEY
!pip show langchain-openai | grep "Version:"
Version: 0.2.9
import os
os.environ["OPENAI_API_KEY"] = OPENAI_API_KEY
from langchain_openai import ChatOpenAI
model = ChatOpenAI(model="gpt-4o-mini")
from operator import itemgetter
from langchain_community.vectorstores import FAISS
from langchain_core.output_parsers import StrOutputParser
from langchain_core …Category: langchain
Read More!python --version
Python 3.12.4
from constants import OPENAI_API_KEY
!pip show langchain-openai | grep "Version:"
Version: 0.2.9
import os
os.environ["OPENAI_API_KEY"] = OPENAI_API_KEY
from langchain_openai import ChatOpenAI
model = ChatOpenAI(model="gpt-4o-mini")
# https://python.langchain.com/docs/how_to/parallel/
from langchain_core.prompts import ChatPromptTemplate
from langchain_core.runnables import …Category: langchain
Read More!python --version
Python 3.12.4
from constants import OPENAI_API_KEY
!pip show langchain-openai | grep "Version:"
Version: 0.2.9
import os
os.environ["OPENAI_API_KEY"] = OPENAI_API_KEY
from langchain_openai import ChatOpenAI
model = ChatOpenAI(model="gpt-4o-mini")
from langchain_core.runnables import RunnableLambda
from langchain_core.prompts import ChatPromptTemplate
from langchain_core.output_parsers import StrOutputParser
import …Category: langchain
Read Moretitle: "Partial Regression Plot" author: "Raja CSP Raman" date: 2019-04-24 description: "-" type: technical_note draft: false
import statsmodels.api as sm
import pandas as pd
from patsy import dmatrices
df = sm.datasets.get_rdataset("Guerry", "HistData").data
df.head()
Category: statsmodel
Read Moretitle: "Pass by Ref Test" author: "Rj" date: 2019-04-20 description: "List Test" type: technical_note draft: false
def add_to_list(list):
list.append('three')
list = ['one', 'two']
add_to_list(list)
print(list)
['one', 'two', 'three']
Key takeaway:
1- You can use the reference that a function receives as its arguments, to modify the …
Category: basics
Read More!python --version
Python 3.12.4
from constants import OPENAI_API_KEY
!pip show langchain-openai | grep "Version:"
Version: 0.2.9
import os
os.environ["OPENAI_API_KEY"] = OPENAI_API_KEY
from langchain_openai import ChatOpenAI
model = ChatOpenAI(model="gpt-4o-mini")
# https://python.langchain.com/docs/how_to/passthrough/
from langchain_core.runnables import RunnableParallel, RunnablePassthrough
runnable = RunnableParallel(
passed …Category: langchain
Read More