Albert Um·May 17, 2021Plotting Bollinger Bands with Plotly Graph ObjectsFor this blog, I will demonstrate how to plot Bollinger Bands using Plotly. Bollinger bands contain upper/lower bounds(±2 standard…A response icon2A response icon2
Albert Um·May 9, 2021Using Stock Data for Classification Problem: ActionThis blog will demonstrate a simple way to frame financial stock data into a sequence classification problem. The business case is to…
Albert Um·Apr 28, 2021Load Data CSV into MySQLFor this blog, I will import a CSV file to a MySQL server(using MAMP) to create a practice platform for SQL statements. More specifically…
Albert Um·Apr 26, 2021Chi-Squared Test for IndependencePearson’s chi-squared test for independence is used to test whether there is an association between categorical variables by seeing if…
Albert Um·Apr 15, 2021Summary of Agile: ScrumAgile is an approach to project management that aims always to have a working product while continuously improving in short increments…
Albert Um·Apr 9, 2021Suez Canal Blockage: Queue Backlog with Sentinel-1 SAROn March 21, 2021, a massive container ship, Ever Given, was found stuck in the Suez Canal. The Suez Canal is an important trade route as…
Albert Um·Apr 5, 2021Classification: Class ImbalanceFor this blog, I will demonstrate three techniques to handle class imbalance using NYS PUMS(Public Use Microdata Sample) Census data. (You…
Albert Um·Mar 28, 2021Pump it Up: Data Mining the Water Table — Population AnalysisFor this blog, I will run a hypothesis test if the population count around a well affects its functionality. I will be using the dataset…
Albert Um·Mar 21, 2021L1, L2 Regularization in XGBoost RegressionRegularization in gradient boosted regression trees are applied to the leaf values and not the feature coefficients like in lasso/ridge…A response icon1A response icon1
Albert Um·Mar 15, 2021Absorbing Markov Chain: Limiting MatrixI recently came across an interesting problem that required some understanding of Absorbing Markov Chains. The objective to calculate the…
