Programming Articles - Page 1132 of 3363

How to divide matrix rows by maximum value in each row excluding 0 in R?

Nizamuddin Siddiqui
Updated on 14-Aug-2021 08:26:59

313 Views

To divide matrix row values by row maximum excluding 0 in R, we can follow the below steps −First of all, create a matrix.Then, use apply function and if else function to divide the matrix row values by row maximum excluding 0.Create the matrixLet's create a matrix as shown below − Live DemoM

How to subset rows of an R data frame if all columns have values greater than a certain value

Nizamuddin Siddiqui
Updated on 09-Aug-2021 09:01:57

2K+ Views

To subset rows of an R data frame if all columns have values greater than a certain value, we can follow the below steps −First of all, create a data frame.Then, use filter_all function of dplyr package with all_vars function to subset the rows of the data frame for all columns having values greater than a certain value.Create the data frameLet's create a data frame as shown below −Example Live Demox1

How to divide data frame rows in R by row maximum?

Nizamuddin Siddiqui
Updated on 14-Aug-2021 08:25:24

331 Views

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

How to find the row and column position of a value as vector in an R matrix?

Nizamuddin Siddiqui
Updated on 14-Aug-2021 08:24:24

843 Views

To find the row and column position of a value as vector in an R matrix, we can follow the below steps −First of all, create a matrix.Then, find the row and column position of a particular value using which function and reading the output with as.vector function.Example 1Create a matrixLet's create a matrix as shown below − Live DemoM1

How to divide the data.table object rows in R by row maximum?

Nizamuddin Siddiqui
Updated on 14-Aug-2021 08:18:57

162 Views

To divide the row values by row maximum in R’s data.table object, we can follow the below steps −First of all, create a data.table object.Then, use apply function to divide the data.table object row values by row maximum.Create the data frameLet's create a data frame as shown below −library(data.table) x

How to find the critical value of F for one-way ANOVA in R?

Nizamuddin Siddiqui
Updated on 14-Aug-2021 08:17:39

2K+ Views

To find the critical value of F for one-way ANOVA in R, we can follow the below steps −First of all, create a data frame with one categorical and one numerical column.Then, use aov function to find the anova table.After that, use qf function to find the critical value of F for one-way ANOVA.Create the data frameLet's create a data frame as shown below − Live DemoGrp

How to expand a data frame rows by their index position in R?

Nizamuddin Siddiqui
Updated on 14-Aug-2021 08:16:17

320 Views

To expand a data frame rows by its index position in R, we can follow the below steps −First of all, create a data frame.Then, use rep and seq_len function with nrow to expand the data frame rows by their index position.Create the data frameLet's create a data frame as shown below − Live Demox1

How to divide the matrix rows by row standard deviation in R?

Nizamuddin Siddiqui
Updated on 14-Aug-2021 08:14:40

252 Views

To divide matrix row values by row standard deviation 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 standard deviation.Create the matrixLet's create a matrix as shown below − Live DemoM

How to print a factor vector without levels in R?

Nizamuddin Siddiqui
Updated on 14-Aug-2021 08:13:44

683 Views

To print a factor vector without levels in R, we can follow the below steps −First of all, create a factor vector.Then, use as.character function to read the vector.Example 1Create a factor vectorLet’s create a vector called f1 as shown below − Live Demof1

How to save a vector in R as CSV file?

Nizamuddin Siddiqui
Updated on 14-Aug-2021 08:06:29

7K+ Views

To save a vector in R as CSV file, we can follow the below steps −First of all, create a vector.Then, use write.csv function to save the vector in CSV file.Example 1Let’s create a vector as shown below − Live Demox

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