Shekhar Tiwari — AI Researcher

Key Skills: Artificial Intelligence ,Deep Learning,Machine Learning ,Natural Language Processing, R Language, Python(Numpy, Pandas, SKLearn, Matplotlib,TensorFlow,Keras),Weka ML tool, SQL etc. Work at TCS 1. Working as a key member of data analytics team. Currently working on different Machine learning models like – • Decision Tree (ID3, CHAID, CART and Random Forest) for classification. • Regression: Simple Linear Regression, Multiple Linear Regression, Logistic Regression. • Validation on Multiple Linear Regression with leave out one, leave out many. • Association Rule Mining, Apriori Algorithm, Naive Bayes algo. • K-means Clustering Algorithms, K-nearest neighbor Algo. 2. Develop a POC and performed data modelling for insurance data with the help of machine learning algorithm like K-means clustering, Logistic Regression, CHAID by using TCS internal analytics tool “aNutva”. 3. Worked on Data Imputation Techniques for Missing values. Researching for best R package among some powerful packages for Data Imputation like Mice, Hmisc, Amelia, Miss forest, MI. 4. Worked on deep learning project to develop a chatbot with tensor flow to get cognitive capabilities. 6. Experience in all Deep Learning Models like CNN, RNN, LSTM, Seq2Seq etc. 7. Flight Delay Prediction and Census Salary Income Prediction POC using Azure Machine Learning. 8. Real Estate House Rent Prediction POC and other Classification, Regression and Clustering related POC for IEEE conference. 9. Document Classification and Text Classification using NLP concept and Sci-kit Learn Library. Deep Learning Engagements:  Eurovision voting prediction for singing competition with keras.  Facial key feature detection,Image Classification,Hand Written Character Recognition using CNN in keras.  Intent matching in two sentences using LSTM in keras.  Sentiment analysis  Multilayer Perceptron (MLP) for multi-class softmax Classification and Binary Classification.

Stackforce AI infers this person is a Data Scientist with expertise in AI and machine learning across various industries.

Location: Navi Mumbai, Maharashtra, India

Experience: 10 yrs 4 mos