Divide Data Frame Row Values in R by Row Median

Nizamuddin Siddiqui
Updated on 13-Aug-2021 11:13:41

389 Views

To divide the data frame row values by row median in 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 median.Create the data frameLet's create a data frame as shown below − Live Demox

Find Maximum Value for Each Row of Matrices in R List

Nizamuddin Siddiqui
Updated on 13-Aug-2021 11:12:36

149 Views

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 − Live DemoM1

Find Maximum Value of All Matrices in an R List

Nizamuddin Siddiqui
Updated on 13-Aug-2021 11:11:29

354 Views

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 − Live DemoM1

Subset Rows Containing Maximum Values in R Data Frame

Nizamuddin Siddiqui
Updated on 13-Aug-2021 11:10:32

905 Views

To subset rows that contains maximum depending on another column in R data frame, we can follow the below steps −First of all, create a data frame with one numerical and one categorical column.Then, use tapply function with max function to find the rows that contains maximum in numerical column based on another column.Example1Create the data frameLet's create a data frame as shown below − Live Demox

Divide Matrix Rows by Row Maximum in R

Nizamuddin Siddiqui
Updated on 13-Aug-2021 11:09:01

141 Views

To divide matrix row values by row maximum in R, we can follow the below steps −First of all, create a matrix.Then, use apply function to divide the matrix row values by row maximum.Create the matrixLet’s create a matrix as shown below − Live DemoM

Expand Matrix Rows by Index Position in R

Nizamuddin Siddiqui
Updated on 13-Aug-2021 11:08:03

399 Views

To expand a matrix rows by its index position in R, we can follow the below steps −First of all, create a matrix.Then, use rep and seq_len function with nrow to expand the matrix rows by their index position.Create the matrixLet’s create a matrix as shown below − Live DemoM

Create Boxplot Using ggplot2 with aes_string in R

Nizamuddin Siddiqui
Updated on 13-Aug-2021 11:06:45

395 Views

To create a boxplot using ggplot2 with aes_string in R, we can follow the below steps −First of all, create a data frame with one string and one numerical column.Then, use aes_string function of ggplot2 package to create the boxplot.Create the data frameLet's create a data frame as shown below − Live DemoX

Create Bar Chart for Single Vector Using ggplot2 in R

Nizamuddin Siddiqui
Updated on 13-Aug-2021 11:04:55

700 Views

To create a bar chart for single vector using ggplot2 in R, we can follow the below steps −First of all, create a vector and melt it using melt function of reshape2 package and save the melted data.Then, create the bar chart with melted data using ggplot2.Create the vector and melt itCreating the vector and using melt function of reshape2 to melt the data in vector −x

Save Column Means into a Data Frame in R

Nizamuddin Siddiqui
Updated on 13-Aug-2021 11:03:41

1K+ Views

To save column means into a data frame in R, we can follow the below steps −First of all, create a data frame.Then, find column means using colMeans function and save it in an object.After that, use as.data.frame function to save the columns means into a data frame.Create the data frameLet's create a data frame as shown below − Live Demox1

Find Row with Maximum Duplicates in R Matrix

Nizamuddin Siddiqui
Updated on 13-Aug-2021 11:01:20

252 Views

To find the row that has maximum number of duplicates in an R matrix, we can follow the below steps −First of all, create a matrix.Then, convert matrix into data.table then use order function with head function to find the row that has maximum number of duplicates.Create the matrixLet’s create a matrix as shown below − Live DemoM

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