# plot x bar and R

7 views (last 30 days)
karim Soussou on 26 Dec 2021
Answered: Star Strider on 27 Dec 2021
i have some set of data that i need to plot x bar and R to
s No 1 2 3 4
1 44 26 24 34
2 50 48 51 43
3 32 28 26 22
4 52 55 56 44
5 16 16 21 26
6 36 36 35 31
7 21 22 18 21
8 29 21 23 22
9 26 46 44 14
10 24 22 22 44
11 18 24 24 49
12 24 20 26 23
13 19 21 27 28
14 8 11 12 12
15 24 18 27 24
16 56 52 56 50
17 32 22 18 25
18 8 12 11 17
19 51 54 52 49
_ on 27 Dec 2021
Where is the data now? In a text file? If it is in a file (of any kind), please attach the file here so that people can advise you on the correct way to get the data into your MATLAB workspace.

Star Strider on 27 Dec 2021
I have absolutely no idea what and R are.
Two possibilities —
M = [1 44 26 24 34
2 50 48 51 43
3 32 28 26 22
4 52 55 56 44
5 16 16 21 26
6 36 36 35 31
7 21 22 18 21
8 29 21 23 22
9 26 46 44 14
10 24 22 22 44
11 18 24 24 49
12 24 20 26 23
13 19 21 27 28
14 8 11 12 12
15 24 18 27 24
16 56 52 56 50
17 32 22 18 25
18 8 12 11 17
19 51 54 52 49];
T1 = array2table(M, 'VariableNames',{'s No','1','2','3','4'})
T1 = 19×5 table
s No 1 2 3 4 ____ __ __ __ __ 1 44 26 24 34 2 50 48 51 43 3 32 28 26 22 4 52 55 56 44 5 16 16 21 26 6 36 36 35 31 7 21 22 18 21 8 29 21 23 22 9 26 46 44 14 10 24 22 22 44 11 18 24 24 49 12 24 20 26 23 13 19 21 27 28 14 8 11 12 12 15 24 18 27 24 16 56 52 56 50
VN = T1.Properties.VariableNames;
figure
plot(T1.('s No'), T1{:,2:5})
grid
hl = legend(VN{2:5}, 'Location','SW');
title(hl, '$\bar{x}$', 'Interpreter','latex')
xlabel('s No')
ylabel('R')
figure
surfc(T1{:,2:5})
yticks(T1{:,1})
xlabel(['$' VN{1} '$'], 'Interpreter','latex')
ylabel('$\bar{x}$', 'Interpreter','latex')
zlabel('$R$', 'Interpreter','latex')
Make apopropriate changes to get the desired result.
.

R2021b

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