by saspower | Feb 25, 2024 | SAS Online Course in India
Trends in time series data show long-term changes or patterns over time, such as increasing or decreasing values. Examples include population growth, stock market trends, or climate change. Seasonality refers to recurring patterns that follow a specific time frame,...
by saspower | Feb 23, 2024 | SAS Online Course in India
One commonly used technique for handling outliers in data is trimming or winsorizing. Trimming involves removing a certain percentage of extreme values from the upper and lower tails of the dataset, while winsorizing replaces extreme values with less extreme values...
by saspower | Feb 19, 2024 | SAS Online Course in India
Statistical analysis of clinical trial data with SAS often consists of many phases. First, data cleaning and validation are performed to verify data accuracy. The data is then summarised using descriptive statistics. Next, inferential statistics, such as hypothesis...
by saspower | Feb 16, 2024 | SAS Online Course in India
Logistic regression is a statistical approach used for binary classification problems in which the result variable is categorical and has two alternative outcomes, usually recorded as 0 and 1. Unlike linear regression, logistic regression predicts the likelihood of...
by saspower | Feb 14, 2024 | SAS Online Course in India
There are various model options for nonlinear regression problems, with selection determined on data attributes and modelling aims. Polynomial regression extends linear regression by include polynomial terms that can capture non-linear connections. Generalised...
