Topics tagged matrix

Topic	Replies	Views	Activity
Transpose some column to create a matrix tidyverse dplyr , matrix , mutate	5	1104	May 9, 2022
Parallel processing slower than without General r , parallel , matrix , furrr	3	1023	April 11, 2022
Conditional column summing of large sparse matrix General memory , r , matrix	3	1001	April 7, 2022
Lost data frames after applying a function General rstudio , matrix , functions , datasets	3	698	March 13, 2022
Error in calculating subtraction between columns in R General dplyr , tidyverse , r , plyr , datatable , matrix , forloops	3	1316	February 1, 2022
How to create a loop in R to perform repeated comparisons General dplyr , statistics , r , matrix , forloops	3	441	November 16, 2021
How to call functions with different arguments, inside another function, to fill a correlation matrix? General r , matrix , functions	10	3238	October 27, 2021
error in xgb.Dmatrix General xgboost , matrix	3	4044	October 12, 2021
Classes created when restructuring a vector General matrix , array	6	397	October 26, 2021
Question on model.matrix using BMTME Package General statistics , matrix	1	522	September 23, 2021
Formatting matrices in R markdown output Publishing Your Results matrix	1	1880	September 7, 2021
Inverting a Large Matrix General matrix	3	1026	June 30, 2021
please help :D Remove rows in a SpatialPointsDataFrame depending on the rows in a matrix General matrix , spatial , na	4	1880	June 5, 2021
Replace duplicates in matrix General rstudio , stringdist , matrix	2	781	June 24, 2021
How to pertubate the fecundity rates of a deterministic matrix model using the popdemo package in R? General rstudio , matrix	4	1002	June 14, 2021
Calculating the difference between averages in of rows in a matrix General rstudio , matrix , forloops	3	1681	February 25, 2021
Web-scraping multiple speeches from General stringr , rvest , rstudio , matrix , web-scraping	1	561	January 3, 2021
Split the list data into several single matrix data General rstudio , matrix , lists	8	1562	December 23, 2020
How to create a matrix from an excel spreadsheet General excel , matrix	4	8003	December 16, 2020
Select columns with values less than 1 from a big matrix General rstudio , matrix , big-data , bigrquery	3	889	November 7, 2020
Loop in matrix in a function General matrix , functions	2	671	November 6, 2020
How to split a matrix with multiple rows into many matrices General rstudio , matrix	2	1670	October 23, 2020
How can I create a matrix by group General matrix	6	2994	August 17, 2020
How to compare vector values to matrix values General matrix	4	2739	July 10, 2020
Startup problems with Matrix package General rstudio , matrix	2	2321	June 10, 2020
Summation of raster values along flow direction General shiny , rstudio , matrix , raster , rgdal	1	1095	May 21, 2020
Summing and Taking average of elements in different vectors, which are part of different matrices, which are part of a vector of matrices. General rstudio , matrix	15	1919	April 7, 2020
New to R, igraph, build matrix from single column in Excel General excel , matrix , big-data , igraph	1	1059	March 20, 2020
Converting matrices in stplanr General rstudio , package-installation , matrix	4	647	March 18, 2020
How to loop over correlation matrices to place many plots into a single PDF? General ggplot2 , rstudio , matrix	3	1211	March 3, 2020