A presentation outline the algorithm used to predict the next words based on ngram model and pairwise words correlation in a sentence.

Exploratory data analysis for text mining

Use decision tree algorithm to study Human activity recognition

Simulate and verified the Central Limit Theorem based on the exponential distribution.

This is an analysis of the fatalities, injuries and property damage caused by severe weather types across United States. Data used comes from NOAA storm database. The analysis includes cleaning up the terminology, summarize the data and visualization. More insight into the devastating effects of different weather types is rendered.