Not equal to in R: The Inequality Operator in R

Not equal to in R - The Inequality Operator in R

R language has many types of operators to carry out logical, comparative, and mathematical operations. For example, relational operators are used to compare between values. Not equal to in R The not equal operator in R is one of the relational operators, and it is the opposite of the equality operator. The not equal to … Read more

Standard deviation in R: How to Use sd() in R

How to Calculate Standard Deviation in R using sd()

We have already seen how to calculate percentile and variance in R programming. We have also seen how to calculate Mean and Mode in R. Let’s see how to compute the standard deviation, but before that, let’s understand what SD is. What is Standard Deviation Standard Deviation of a population is the square root of the … Read more

as.numeric in R: How to Convert to Numeric Value

As Numeric R - numeric() Function in R

The numeric() method creates or coerces objects of type “numeric”.  The is.numeric() is a built-in function used for a more comprehensive test of an object being interpretable as numbers. Factors are data structures that categorize the data or represent categorical data and save it on multiple levels. They can be saved as integers with an … Read more

rnorm in R: How to Use rnorm() Function in R

rnorm() Function in R - Generate Random Numbers in R

The rnorm() function in R generates a random number using a normal(bell curve) distribution. Thus, the rnorm() function simulates random variates having a specified normal distribution. What is Normal Distribution in R The normal distribution is the collection of random data from independent sources is distributed normally. We get the bell shape curve by plotting … Read more

grepl in R: How to Use R grepl() Function

grepl in R - How to Use grepl() Function in R

We often come across a functionality where we want to check something by comparing it with patten. We use a regular expression to match specific character vectors in the string. Let’s see how to use regular expression in R. The functions like grep(), grepl(), regexpr(), gregexpr(), and regexec() search for matches to argument pattern within … Read more

Mode in R: How to Find Mode of Vectors

Mode in R - How to Find Mode of Vectors in R

The mode in R is the value with the highest number of occurrences in a set of data. Unlike the mean and median, the mode can have both numeric and character data. Mode in R There is no built-in function to calculate the mode in R. To calculate mode in R, you have to create … Read more

percentile in R: How to Calculate Percentile using quantile()

How to Calculate Percentile in R using quantile() Function

Percentages and percentiles are related in many ways, and sometimes these names are used interchangeably, but they are different terms. A percentage describes a fraction, while a percentile describes the fraction of the data points of a data set below a specific point. Both a percentage and percentile value provide helpful information about the dataset, … Read more