search for: kirschbaum

Displaying 7 results from an estimated 7 matches for "kirschbaum".

2003 Sep 12
7
convert a Character-string to a number
Hi Everyone. I have a simple problem but don't know, how to get along. how can I convert the vector a<-c("0,01","1,00") in a vector b<-c(0.01,1.00) Thank you for suggestions M.Kirschbaum [[alternative HTML version deleted]]
2003 Sep 12
2
Sorting a vector by date
...tor of dates? For example I have the vector a<-ISOdate(2001, 1, 1) + 70*86400*runif(10) How can this vector be sorted chronological? And what's the function I should work with to handle these entries? (in sense of: which(a>2001-01-04) or somehting like that) Thank you for helping M.Kirschbaum [[alternative HTML version deleted]]
2003 Jul 16
5
turning list-elements into a vector
Hi. Can anyone help me? I want to create a vector from specific matrix-elements( e.g.[1,1]) these matrices are elements of a list. Is there any possibility to work without a loop? (e.g. with "lapply"?) hope, you can help me thank you Michael [[alternative HTML version deleted]]
2003 Jul 31
6
how to make a plot without any axis-labeling
Hi. I got a problem, perhaps someone can help me....... every time, when I want to plot data, both axis are labeled by default like data[1,] and data[2,] how can I make a plot without ANY labeling? does anyone know that? thanks for helping Michael [[alternative HTML version deleted]]
2003 Jul 15
4
(no subject)
Hi I got a problem with creating a textfile: how can I create a textfile, which has a headline like: #data1 1 2 3 4 5 6 7 8 the problem is, how to bind text and matrix, so that the "read.table"-function will ignore the text and read the numbers. Thank you for help Michael -- 2
2010 Dec 06
1
read ESRI file geodatabase feature classes
Hello- Does anyone know if R can read in ESRI file geodatabase feature classes, directly from the file geodatabase? I currently have to export the data out of Arc, to a csv file, then read the csv file. I'd like to bypass this step and read directly from the file geodatabase. Thanks for your help. -al
2012 Sep 19
0
export date field using sqlSave
Hello- I'm receiving an error when I try to export a dataframe into Access 2010 containing a date field using sqlSave. The error I'm receiving is: [RODBC] Failed exec in Update 22018 39 [Microsoft][ODBC Microsoft Access Driver]Invalid character value for cast specification I can export all other columns, except the date column. If I convert the date column to julian (numeric) it works