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Articles on Trending Technologies
Technical articles with clear explanations and examples
How to find the maximum value of all matrices stored in an R list?
To find the maximum value of all matrices stored in an R list, we can follow the below steps −First of all, create a list of matrices.Then, use max function along with unlist and lapply function to find the maximum of all matrices.Create the list of matricesUsing matrix function to create multiple matrices and stored them in a list using list function −M1
Read MoreHow to find the maximum value for each row of all matrices stored in an R list?
To find the maximum value for each row of all matrices stored in an R list, we can follow the below steps −First of all, create a list of matrices.Then, use max function along with lapply function and apply function to find the maximum for each row of all matrices.Create the list of matricesUsing matrix function to create multiple matrices and stored them in a list using list function −M1
Read MoreHow to create a scatterplot between a variable and an equation in R?
To create a scatterplot between a variable and an equation in R, we can follow the below steps −First of all, create a vectorThen, create the equation and store it in an object.After that, use plot function to create the plot between vector and equation objectCreate the vectorLet’s create a vector as shown below −x
Read MoreHow to divide data frame row values by maximum value in each row excluding 0 in R?
To divide data frame row values by row maximum excluding 0 in R, we can follow the below steps −First of all, create a data frame.Then, use apply function and if else function to divide the data frame row values by row maximum excluding 0.Create the data frameLet's create a data frame as shown below −x
Read MoreHow to divide data frame row values by row variance in R?
To divide data frame row values by row variance R, we can follow the below steps −First of all, create a data frame.Then, use apply function to divide the data frame row values by row variance.Create the data frameLet's create a data frame as shown below −x
Read MoreHow to replace matrix values using if else in R?
To replace matrix values using ifelse in R, we can follow the below steps −First of all, create a matrix.Then, use ifelse function to replace the values in the matrix.Create the matrixLet’s create a matrix as shown below −M
Read MoreHow to find the column mean of first n number of rows in R data frame?
To find the column mean of first n number of rows in R data frame, we can follow the below steps −First of all, create a data frame.Then, use colMeans function by reading the data frame with matrix function and nrow argument.Example1Create the data frameLet's create a data frame as shown below −x
Read MoreHow to find the point estimate using regression model in R?
To find the point estimate using regression model in R, we can follow the below steps −First of all, create a data frame.Then, create the regression model.After that, define the value for which we want to find the point estimate and use predict function to find the estimate.Create the data frameLet's create a data frame as shown below −x1
Read MoreHow to subset row values based on columns name in R data frame?
To subset row values based on columns name in R data frame, we can follow the below steps −First of all, create a data frame.Then, create a sample of column names of size equal to number of rows in the data frame and row names in the same manner with seq_len function, after that use cbind function to subset the rows based on columns name.Create the data frameLet's create a data frame as shown below −Gender_1
Read MoreHow to subset rows of data frame without NA using dplyr in R?
To subset rows of data frame without NA using dplyr in R, we can follow the below steps −First of all, create a data frame.Then, use filter function of dplyr package to subset the rows with !is.na.Create the data frameLet's create a data frame as shown below −x
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