SAS Day 34: Background Story: Once, in my machine learning class, the professor asked what software do we use for data science? One student answered: “SAS“. Then the professor laughed and said: “Oh dear, you must be in the wrong class, nobody uses SAS in data science industry“.

SAS Day 33: Box Plot Definition: Box Plot or Whisker plot displays the distribution of 5-number summary of a dataset: minimum, maximum, q1, q3, and Median.  Interpreting quartiles: The 5-number summary approximately divides the data into 4 sections that each containing 25% of the data. Explore a little more If we want to look at the Outliers, we define the…

SAS Day 32: Loess Model Scatter Plot  When I was in Middle School, Sin(x) and Cos(x) are my favorite curves, because they are so predictable! Once we know the cycle and amplitude, we can solve everything about it.  However, in statistical modeling, oscillating curves are not so welcomed. Today we will introduce the Loess Plot for finding a curve of…

SAS Day 31: Scatter Plot and Fancy Scatter Plot Yesterday I found an unwanted Graphics in SAS book; it has a very clean layout so i took it. I found there are many useful tips for creating SAS graphs, i would like to share with you.