Use ?'%*%' to get the documentation.
%*% is matrix multiplication. For matrix multiplication, you need an m x n matrix times an n x p matrix.
Related Posts:
- R Hex to RGB converter
- Error in file(file, “rt”) : cannot open the connection [duplicate]
- Error in
: object of type ‘closure’ is not subsettable - Could not find function “%<>%” with dplyr loaded
- Interpreting “condition has length > 1” warning from `if` function
- How to coerce a list object to type ‘double’
- R Error in x$ed : $ operator is invalid for atomic vectors
- $ operator is invalid for atomic vectors for dataframe R
- Plotting with ggplot2: “Error: Discrete value supplied to continuous scale” on categorical y-axis
- ggplot2 error : Discrete value supplied to continuous scale
- ggplot2 line chart gives “geom_path: Each group consist of only one observation. Do you need to adjust the group aesthetic?”
- ggplot2 line chart gives “geom_path: Each group consist of only one observation. Do you need to adjust the group aesthetic?”
- How to open CSV file in R when R says “no such file or directory”?
- Error: could not find function “%>%”
- R programming: How do I get Euler’s number?
- ‘x’ and ‘y’ lengths differ ERROR when plotting
- What are the “standard unambiguous date” formats for string-to-date conversion in R?
- ‘x’ and ‘y’ lengths differ ERROR when plotting
- What are the “standard unambiguous date” formats for string-to-date conversion in R?
- Difference between paste() and paste0()
- Remove duplicated rows
- Error in ggplot.data.frame : Mapping should be created with aes or aes_string
- Error in Confusion Matrix : the data and reference factors must have the same number of levels
- Error in plot.window(…) : need finite ‘xlim’ values
- Error in colMeans(x, na.rm = TRUE) : ‘x’ must be numeric, What should I do in this situation?
- Editing legend (text) labels in ggplot
- case_when in mutate pipe
- Principal Components Analysis:Error in colMeans(x, na.rm = TRUE) : ‘x’ must be numeric
- dim(X) must have a positive length when applying function in data frame
- Extract year from date
- Persistent invalid graphics state error when using ggplot2
- incorrect number of dimensions and incorrect number of subscripts in array
- Why am I getting “algorithm did not converge” and “fitted prob numerically 0 or 1” warnings with glm?
- How to debug “contrasts can be applied only to factors with 2 or more levels” error?
- R t-test Grouping factor must have exactly 2 levels error
- What does c do in R?
- Opposite of %in%: exclude rows with values specified in a vector
- Understanding the order() function
- Using Caret Package but Getting Error in library(e1071)
- Subscript out of bounds – general definition and solution?
- Error in lis[[i]] : attempt to select less than one element
- How to compute weighted mean in R?
- Error: unexpected symbol/input/string constant/numeric constant/SPECIAL in my code
- Remove NA values from a vector
- character string is not in a standard unambiguous format
- Remove rows with all or some NAs (missing values) in data.frame
- duplicate ‘row.names’ are not allowed error
- Remove all of x axis labels in ggplot
- Sum rows in data.frame or matrix
- Error: unexpected ‘}’ in “}” in R [duplicate]
- Error in table “all arguments must have the same length”
- How to not run an example using roxygen2?
- Error with apply function
- How do you create vectors with specific intervals in R?
- Linear model function lm() error: NA/NaN/Inf in foreign function call (arg 1)
- Increase number of axis ticks
- Converting data frame column from character to numeric
- How to assign colors to categorical variables in ggplot2 that have stable mapping?
- Singularity in backsolve at level 0, block 1 in LME model
- “installation of package ‘FILE_PATH’ had non-zero exit status” in R
- Is there a dictionary functionality in R
- Plot two graphs in same plot in R
- reshape2 melt warning message
- ggplot2 manually specifying colour with geom_line
- dcast warning: ‘Aggregation function missing: defaulting to length’
- remove all variables except functions
- How to update a package in R?
- Run R script from command line
- Non-conformable arrays error in code
- What causes an R script to get Killed?
- What’s the difference between facet_wrap() and facet_grid() in ggplot2?
- ggplot2, facet_grid, free scales?
- dplyr mutate with conditional values
- How do I install an R package from source?
- How can I convert Json to data frame in R
- lmer error: grouping factor must be < number of observations
- R Error (from NA’s to 0): duplicate subscripts for column in Data Frame
- incorrect number of subscripts on matrix in R
- Error in rbind(deparse.level, …) : numbers of columns of arguments do not match R
- Creating box plot on exercise
- What is the meaning of the dollar sign “$” in R function()?
- How to split data into training/testing sets using sample function
- How to sort a data frame by alphabetic order of a character variable in R?
- Error in na.fail.default(as.ts(x)) : missing values in object in time series forecasting
- Argument “No” is missing, with no default
- R apply function with multiple parameters
- Geometric Mean: is there a built-in?
- Error in na.fail.default: missing values in object – but no missing values
- Error: Invalid number of ‘breaks’ in R
- Convert the values in a column into row names in an existing data frame
- Deleting rows that are duplicated in one column based on the conditions of another column
- Replace all 0 values to NA
- The difference between bracket [ ] and double bracket [[ ]] for accessing the elements of a list or dataframe
- Merge error : negative length vectors are not allowed
- Error Error in storage.mode(x) <- "double" : 'list' object cannot be coerced to type 'double'
- why nrow(dataframe) and length(dataframe) in r give different results?
- Meaning of objects being masked by the global environment
- Subset and ggplot2
- Create a matrix of scatterplots (pairs() equivalent) in ggplot2
- cbind warnings : row names were found from a short variable and have been discarded