Shaoliang JiaOverviewFrom the openjdk documentation, Lambda is reviewed as an “expression”. The compiler or JRE will need to generate Java class from this…Apr 5, 2020Apr 5, 2020
Shaoliang JiainMac O’ClockStrikethrough Shortcut Key for Multiple Apps on macOSThere is No default strikethrough shortcut key on macOS. Here is a simple way to enable this shortcut for multiple apps.Feb 28, 2020Feb 28, 2020
Shaoliang JiaIntroduction/Business ProblemI am planning to start a salad shop in my hometown. The location of the shop is always the key success factor for a food and beverage…May 23, 2019May 23, 2019
Shaoliang JiaWhy Do We Need to Calculate Cost Before Back-propagation?A typical flow in neural network is like this: init parameters, forward-propagation, calculate cost, backward-propagation.Nov 5, 2018Nov 5, 2018
Shaoliang JiaFalse PositiveYou always need to think about how to deal with false positive in machine learning. There is false positive in facial recognition, in…Oct 31, 2018Oct 31, 2018
Shaoliang JiaPick HyperparametersIn machine learning, hyperparameters are any parameter other than weights and bias, e.g., number of iteration, learning rate.Oct 29, 2018Oct 29, 2018
Shaoliang JiaStandard DeviationIn dataset, standard deviation is the square root of variance.Oct 22, 2018Oct 22, 2018
Shaoliang Jianumpy.random.randnnumpy.random.randn is the function to product a sample (or samples) from the “standard normal” distribution.Oct 8, 2018Oct 8, 2018
Shaoliang JiaNorm in RegularisationFirstly, Norm is not normalisation. Norm is a function to assign length or size of a vector. In regularisation, there are 3 frequently…Oct 4, 2018Oct 4, 2018
Shaoliang JiaStandardisation vs NormalisationStandardisation and normalisation are two commonly used statistical terms in machine learning. Sometimes people confuse one with the other.Oct 2, 2018Oct 2, 2018