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 21, 2024 | Data Science Online Course
Choosing a dataset for linear regression depends on your research question and the availability of relevant variables. Datasets with continuous dependent variables and numeric independent variables are ideal. Consider datasets like housing prices with predictors such...
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 17, 2024 | Data Science Online Course
There are various approaches for identifying outliers in time series data. One typical strategy is to employ statistical approaches like the z-score or modified z-score method, in which data points that exceed a given threshold are marked as outliers. Another...
