[R] adding columns to a table after a loop

2006-08-12 Thread Albert Picado
Dear list, I am trying to find the way to add columns to a table (or a matrix) after a loop. The result of this loop is an array and I would like to get all the results in a single table once the loop is finish. I have reproduced a simplified example below: a- 1 b - matrix() while (a = 4) { +

[R] Re : adding columns to a table after a loop

2006-08-12 Thread Albert Picado
,] 1.62361191 NA NA NA [9,] 0.02644486 NA NA NA [10,] 0.32406407 NA NA NA I do not know what else to try... best wishes a - Message d'origine De : Uwe Ligges [EMAIL PROTECTED] À : Albert Picado [EMAIL PROTECTED] Cc : r-help@stat.math.ethz.ch Envoyé le : Samedi, 12 Août

[R] random point in a circle centred in a geographical position

2006-10-07 Thread Albert Picado
Dear List members I am trying to find a way to generate a random point in a circle centred in a geographical location. So far I have used the following formula (see code below): random_x = original_x + radius*cos(angle) random_y = original_y + radius*sin(angle) where radius is a random number