For Data Science Learners
How to Compare Two Lists in Excel Using VLOOKUP, Comparing two lists in Excel can be a challenging task, especially if you have many items to compare. One of the easiest ways is to use the VLOOKUP function. If you have two lists with related data, the VLOOKUP function can compare the values in both…
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How to Compare Two Excel Sheets for Differences, Comparing two Excel sheets for differences can be a daunting task, especially if the sheets are large and complex. Luckily, Excel offers several ways to compare and identify differences between two sheets. In this guide, we will explore some of the methods of comparing Excel sheets for…
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How to Load the Analysis ToolPak in Excel, the Analysis ToolPak is an add-in in Microsoft Excel that provides advanced data analysis tools for use in a variety of business, finance, and scientific scenarios. Its main advantage is that it enables users to perform complex statistical and engineering analyses in Excel, without the need for…
Sort Data in R With Examples, R is a powerful tool for data analysis and manipulation. Sorting data in R is a common task that involves arranging data in ascending or descending order based on one or more columns. This can be especially useful in exploratory data analysis, as it allows you to quickly identify…
KPSS Test in R, the KPSS test (Kwiatkowski-Phillips-Schmidt-Shin) is a statistical test used to determine whether a time series has a unit root or not. A unit root indicates that the time series is non-stationary, meaning that the mean and/or the variance of the series changes over time. The KPSS test is often used in…
Wald Test in R With Examples, A Wald test is a statistical test that compares the fit of two models, one nested within the other. The test involves estimating the difference between the two models, calculating the variance of that difference, and then comparing the difference to its estimated variance. In this article, we will…
Anderson-Darling Test in R, the Anderson-Darling Test is a statistical test used to determine whether a given dataset is drawn from a particular distribution, such as the normal distribution. In this article, we will demonstrate how to conduct an Anderson-Darling Test in R using inbuilt datasets. Formulation of the Hypothesis: Before conducting the Anderson-Darling Test,…
Jarque-Bera Test in R, the Jarque-Bera test is a statistical test used to determine whether a given dataset is distributed normally or not. It tests whether the skewness and kurtosis of the dataset are consistent with a normal distribution. In this article, we will demonstrate how to conduct a Jarque-Bera test in R with inbuilt…
Fisher’s exact test in R, Fisher’s exact test is a statistical test used to analyze the relationship between two categorical variables. It is used when the sample size is small and the expected counts of the contingency table are less than 5. In this article, we will demonstrate how to conduct Fisher’s exact test in…
One proportion Z Test in R, One proportion Z-Test is a statistical test that is used to determine whether the difference between observed and expected frequencies for a categorical variable is significant or due to chance. It is a hypothesis-testing method that helps researchers make inferences about a population based on a sample. In this…
