vaitybharati
Certified Data Scientist with 16+ years of cumulative experience; eager to leverage the machine learning, artificial intelligence and data science skills.
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Pinned Repositories
Assignment-04-Simple-Linear-Regression-2
Assignment-04-Simple-Linear-Regression-2. Q2) Salary_hike -> Build a prediction model for Salary_hike Build a simple linear regression model by performing EDA and do necessary transformations and select the best model using R or Python. EDA and Data Visualization. Correlation Analysis. Model Building. Model Testing. Model Predictions.
Assignment-05-Multiple-Linear-Regression-2
Assignment-05-Multiple-Linear-Regression-2. Prepare a prediction model for profit of 50_startups data. Do transformations for getting better predictions of profit and make a table containing R^2 value for each prepared model. R&D Spend -- Research and devolop spend in the past few years Administration -- spend on administration in the past few years Marketing Spend -- spend on Marketing in the past few years State -- states from which data is collected Profit -- profit of each state in the past few years.
Assignment-1-Q24-Basic-Statistics-Level-1-
Q 24) A Government company claims that an average light bulb lasts 270 days. A researcher randomly selects 18 bulbs for testing. The sampled bulbs last an average of 260 days, with a standard deviation of 90 days. If the CEO's claim were true, what is the probability that 18 randomly selected bulbs would have an average life of no more than 260 days
Assignment-11-Text-Mining-01-Elon-Musk
Assignment-11-Text-Mining-01-Elon-Musk, Perform sentimental analysis on the Elon-musk tweets (Exlon-musk.csv), Text Preprocessing: remove both the leading and the trailing characters, removes empty strings, because they are considered in Python as False, Joining the list into one string/text, Remove Twitter username handles from a given twitter text. (Removes @usernames), Again Joining the list into one string/text, Remove Punctuation, Remove https or url within text, Converting into Text Tokens, Tokenization, Remove Stopwords, Normalize the data, Stemming (Optional), Lemmatization, Feature Extraction, Using BoW CountVectorizer, CountVectorizer with N-grams (Bigrams & Trigrams), TF-IDF Vectorizer, Generate Word Cloud, Named Entity Recognition (NER), Emotion Mining - Sentiment Analysis.
Bagging-boosting-stacking
Bagging-boosting-stacking
Decision-Tree
Decision-Tree
Forecasting_Model_based_methods
Splitting data into Linear Model, Exponential, Qaudratic, Additive seasonality , Additive Seasonality Quadratic , Multiplicative Seasonality, Multiplicative Additive Seasonality. Prediction for new time period
Logistic-Regression
Logistic-Regression
Multi-Linear-Reg
Multi-Linear-Reg
NN_Hyperparameter-Tuning
Tuning of Hyperparameters :- Batch Size and Epochs. Tuning of Hyperparameters:- Learning rate and Drop out rate. Tuning of Hyperparameters:- Activation Function and Kernel Initializer. Tuning of Hyperparameter :-Number of Neurons in activation layer. Training model with optimum values of Hyperparameters.
vaitybharati's Repositories
vaitybharati/Probabilty-calc-2
Probability Calculation in Python
vaitybharati/Tableau-_Basics3
Tableau-_Basics3 Tutorial
vaitybharati/Tableau-Basics
Tableau basics tutorial
vaitybharati/Tableau_Basics2
Tableau_Basics2 tutorial
vaitybharati/Anova
Anova
vaitybharati/Basics-of-R-1
Basics-of-R-Tutorial 1
vaitybharati/Chi-Square-test
Chi-Square-test
vaitybharati/Confidence-Interval
Confidence-Interval
vaitybharati/Datascience_python
Python code
vaitybharati/Datascience_R
R code Tutorial
vaitybharati/EDA-1
Exploratory Data Analysis Part-1
vaitybharati/Hypothesis-Test
Hypothesis-Test in python
vaitybharati/Hypothesis-testing
Hypothesis Testing in Python
vaitybharati/Inferential-Statistics
Inferential Statistics using Confidence Interval
vaitybharati/Matplotlip
MatPlotlib Python codes
vaitybharati/Mysql-Alter-commands
Mysql-Alter-commands
vaitybharati/mysql-create-drop-rename
mysql-create-drop-rename
vaitybharati/Mysql-Data-Manipulation
Mysql-Data-Manipulation
vaitybharati/Mysql-date-time
Mysql-date-time
vaitybharati/Mysql-practice-tables
Mysql-practice-tables
vaitybharati/Mysql-Students-table
Mysql-Students-table
vaitybharati/mysql_null-commands
mysql_null-commands
vaitybharati/Normal-Distribution
Normal-Distribution
vaitybharati/Pandas
Pandas Tutorial
vaitybharati/Probability-Calc
Probability Calculations for Normal distribution
vaitybharati/R_basics_calc-2
R code 2
vaitybharati/R_Basics_calc1
R code 1a
vaitybharati/Simple-linear-Reg-1
Simple-linear-Reg-1
vaitybharati/Visualization-Mat_Seaborn
Visualization using Matplotlib and Seaborn
vaitybharati/R-Basics2
R-Basics2 homework