Get matrix row name r

> grades_matrix
             Math      Science          Art
Student_1      90           88           75
Student_2      78           81           95 
Student_3      84           85           83

> rownames(grade_matrix)[2]
[1] "Student_2"

> colnames(grade_matrix)[3]
[1] "Art"

Similar codes

0 vote157 views1 answer
Collapse text by group in dataframe r
R
0 vote170 views1 answer
R - reorder columns in data frame
R
3 votes183 views6 answers
R rename columns
R
1 vote241 views1 answer
How to extract weekday from date in r
R
0 vote157 views1 answer
Filter only NA column in R
R
2 votes188 views1 answer
Random integer in r
R
0 vote163 views1 answer
Knn accuracy in r
R
0 vote162 views1 answer
R glm select all variables
R
0 vote191 views1 answer
Multiple intersect r
R
0 vote161 views1 answer
How to set a dataframe as a value in a list in r
R