Thandeka Chaka Data Science Portifolio

Data Science student skilled in SQL, Python, Tableau and R. @thandekachaka

Building a Sentiment analysis model

This project was built on using airline tweet data from Kaggle and applied Microsoft excel skills to group tweets into either positive or negative. I then used 80 percent of the data to create a traininng set of both separate positive and negative tweets. To evaluate the frequency of either positive or negative sentiments a pivot table was used.

Neural Networks application project
CAPTCHA Images Data Set

This project in jupyter notebook with the use of tensorflow libraries to build a model using the CATCHA images data from kaggle to vreate a model to predict the characters within the image. We used both CNN algorithm and the random forest model to measure the pefomance of our model.