Split a table in two different tables
1 visualizzazione (ultimi 30 giorni)
Mostra commenti meno recenti
Rachele Franceschini
il 1 Set 2021
Commentato: Walter Roberson
il 1 Set 2021
Hi, Can You help me?
I have a table C. I would like to split in 2 tables. In table 1 there is 30% of the data (chosen randomly) and in the second table there is the 70% of the data.
Do you have a tips?
0 Commenti
Risposta accettata
Walter Roberson
il 1 Set 2021
In the case that you want the "30%" to be as exact as round-off will permit:
r = height(C);
ridx = randperm(r);
n1 = floor(r * .3);
n2 = r - n1;
C1 = C(sort(ridx(1:n2)),:);
C2 = C(sort(ridx(n2+1:end),:));
In the case that 30% should be statistical:
r = height(C);
mask = rand(r,1) <= 0.3;
C1 = C(mask,:);
C2 = C(~mask,:);
2 Commenti
Walter Roberson
il 1 Set 2021
In the first one,
C2 = C(sort(ridx(n2+1:end)),:);
) was in the wrong place.
Più risposte (0)
Vedere anche
Categorie
Scopri di più su Shifting and Sorting Matrices in Help Center e File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!