Unequal Variance t-test in R:- Welch’s t-Test
Unequal Variance t-test in R, When the variances of two independent groups are not considered to be equal, Welch’s t-test is used to compare their means. We can use the t.test() function in R...
Tagged: rstats
Aesthetics must be either length 1 or the same as the data
Error: Aesthetics must be either length 1 or the same as the data, In this article, you’ll discover how to fix the R programming language error message ” Error: Aesthetics must be either length...
Time Series Trend Analysis in R
Time series trend analysis, The Mann-Kendall Pattern Test is used to detect whether or not time series data has a trend. It’s a non-parametric test, which means there’s no underlying assumption about the data’s...
How to calculate Scheffe’s Test in R
How to calculate Scheffes Test in R, A one-way ANOVA is used to check if there is a statistically significant difference between the means of three or more independent groups. If the aggregate p-value...
How to Perform Univariate Analysis in R
Perform Univariate Analysis in R, In statistics, there are three different types of strategies for univariate data analysis. There are three types of analysis: univariate, bivariate, and multivariate. The term “univariate analysis” refers to...
Calculate Confidence Intervals in R
Calculate Confidence Intervals in R, A confidence interval is a set of values that, with a high degree of certainty, are likely to include a population parameter. Confidence intervals can be found all over...
Homoscedasticity in Regression Analysis
Homoscedasticity in Regression Analysis, The Goldfeld–Quandt test checks for homoscedasticity in regression studies in statistics. This is accomplished by separating a dataset into two portions or groups, which is why the test is also...
How to Calculate Jaccard Similarity in R
Jaccard Similarity in R, The Jaccard similarity index compares two sets of data to see how similar they are. It might be anywhere between 0 and 1. The greater the number, the closer the...
How to do Chow Test in R
The Chow test is used to compare the coefficients of two distinct regression models on two separate datasets. This test is commonly used in econometrics using time series data to evaluate if the data...
How to perform Rolling Correlation in R
Rolling Correlation in R, Correlations between two-time series on a rolling window are known as rolling correlations. Correlations in time series are extremely valuable since they may be used to model and forecast if...