Framework Introduction
7 Stages Introduction
Stage 1: Problem Definition
Stage 2: Data Collection
Stage 3: Data Preparation
Stage 4: Data Visualization
Stage 5: Machine Learning Modeling
Stage 6: Feature Engineering
Stage 7: Model Deployment
Data Science Top 10 websites, Skills, Algorithms and Industries
Top 10 Websites for Data Science
1. Coursera
2. EdX
3. Datacamp
4. Udemy
5. Udacity
6. Khan Academy
7. Kaggle
8. R-bloggers
9. Analytics Vidya
10. KDNuggets
Top 10 Skills for Data Science
1. Probability & Statistics
2. Linear Algebra
3. Python
4. R
5. SQL/Presto
6. Tableau/PowerBI
7. AWS/Azure
8. Spark
9. Excel
10. DevOps
Top 10 Algorithms for Data Science
1. Linear Regression
2. Logistics Regression
3. K-means Clustering
4. PCA
5. Support Vector Machine
6. Decision Tree
7. Random Forrest
8. Gradient Boosting Machine
9. XGboost
10. Artificial Neural Networks
Top 10 Industries for Data Science
1. Technology
2. Finance
3. Retail
4. Telecom
5. Healthcare & Pharma
6. Manufacturing
7. Automotive
8. Cybersecurity
9. Energy
10. Utilities
Check python version from Jupyter Notebook
from platform import python_version
print(python_version())
print(python_version())
Error in .jcall(drv@jdrv, "Ljava/sql/Connection;",... ... as.character(url)[1], : java.sql.SQLException: ORA-00604: error occurred at recursive SQL level 1. ORA-01882: timezone region not found
Error in .jcall(drv@jdrv, "Ljava/sql/Connection;"
Solution - Edit Renviron file
Add a line
TZ="IST".
It will resolve the issue.
Solution - Edit Renviron file
Add a line
TZ="IST".
It will resolve the issue.
Cannot export data to a file in R (write.csv)
> write.csv(x,"trail.csv", row.names = FALSE)
Error in file(file, ifelse(append, "a", "w")) :
cannot open the connection
Calls: write.csv -> eval.parent -> eval -> eval -> write.table -> file
In addition: Warning message:
In file(file, ifelse(append, "a", "w")) :
cannot open file 'trail.csv': Permission denied
Execution halted
Error in file(file, ifelse(append, "a", "w")) :
cannot open the connection
Calls: write.csv -> eval.parent -> eval -> eval -> write.table -> file
In addition: Warning message:
In file(file, ifelse(append, "a", "w")) :
cannot open file 'trail.csv': Permission denied
Execution halted
How to set path of working directory in R tool?
#set working directory> path <- "C:/Users/satish/Desktop/Data/TRIAL"> setwd(path)
Here's a nice chart about the Top 20 Python Libraries for #datascience & #machinelearning.
Source: https://www.kdnuggets.com/
Source: https://www.kdnuggets.com/
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