search for: testframe

...t data.frames can hold elements of type double, string etc but NOT objects (such as a matrix etc). This is not convenient for me in the following situation. I have a function that takes 2 inputs and returns a vector: testfun <- function (x,y) seq(x,y,1) I have a data.frame defined as follows: testframe<-data.frame(xvalues=c(2,3),yvalues=c(4,5)) I would like to apply testfun to every row of testframe and then create a new column in the data.frame which holds the returned vectors as objects. Why do I want this? Because the returned vectors are an intermediate step towards further calculations....

...to have a look I can provide an RData file with the problematic data frame. Doesn't seem to be necessary, the following simulated example generates the error: > testmat <- matrix(1:80, 20,4) > dim(testmat) [1] 20 4 > str(testmat) int [1:20, 1:4] 1 2 3 4 5 6 7 8 9 10 ... > testframe <- data.frame(testmat=I(testmat), x=rnorm(20), y=rnorm(20), z=sample(1:20)) > str(testframe) `data.frame': 20 obs. of 4 variables: $ testmat: int [1:20, 1:4] 1 2 3 4 5 6 7 8 9 10 ... ..- attr(*, "class")= chr "AsIs" $ x : num 0.768 -0.462 0.450 0.4...

Hello all R gurus, I have a following problem which I hope someone will help me to solve. I have a data.frame in form similar to below. > testframe<-data.frame("Name"=c("aa","aa","aa","aa","aa","bb","bb","bb","bb","bb"),"Value"=c(1,100,1,1,1,100,100,100,100,1)) Name Value 1 aa 1 2 aa 100 3 aa 1 4...

Apologees the novice question. Currently climbing up the learning curve of R. Suppose I have the following function and the data.frame: testfun<-function(x=1,y=2) x+y testframe=data.frame(col1=c(1,2),col2=c(3,4)) When evaluating testfun, I want to use the default value for y (which is 2) and for x, I want to feed (one by one) the values in col2 of testframe. How can I achieve this please? Not having much success with apply() Thanks for any help.

...all who helped me with my question about rescaling axes on the fly. Using unlist() and range() to set the axis ranges in advance worked well. I've since plotted about 300 datasets with relative ease. Now I'm trying to fit a lossy oscillator resonance to (the square root of) a lorentzian (testframe$y is oscillator amplitude, testframe$x is drive frequency): lorentz <- nls( y ~ a0 / (Q*sqrt((1-(x/f0)^2)^2 + ((x/f0) * 1/Q)^2)), data = testframe, start = list (a0=1.4, f0=84321.6, Q=600000)) and am running into lots of convergence trouble (singular derivatives,...

Hello, I have a data.frame > names(popA) [1] "Year" "Series" "Age" "WM" "WF" "HM" "HF" "BM" [9] "BF" "IM" "IF" "AM" "AF" "Yr" how do i loop over a subset of variables in this frame to create a vector of

...rame") viewMenu = Wx::Menu.new viewMenu.append(Wx::ID_CLOSE, "Close\tCtrl-W", "Close this window") evt_menu(Wx::ID_CLOSE) { show false } menuBar = Wx::MenuBar.new menuBar.append(viewMenu, "&View") set_menu_bar menuBar end end class TestFrame < Wx::Frame def initialize super(nil, -1, "Test Frame") menu = Wx::Menu.new menuItem = Wx::MenuItem.new(menu, -1, "Show child") menu.append_item menuItem evt_menu(menuItem) { ChildFrame.new(self).show } menuBar = Wx::MenuBar.new menuBar.append(...

...rame") viewMenu = Wx::Menu.new viewMenu.append(Wx::ID_CLOSE, "Close\tCtrl-W", "Close this window") evt_menu(Wx::ID_CLOSE) { show false } menuBar = Wx::MenuBar.new menuBar.append(viewMenu, "&View") set_menu_bar menuBar end end class TestFrame < Wx::Frame def initialize super(nil, -1, "Test Frame") menu = Wx::Menu.new menuItem = Wx::MenuItem.new(menu, -1, "Show child") menu.append_item menuItem evt_menu(menuItem) { ChildFrame.new(self).show } menuBar = Wx::MenuBar.new menuBar.append(...

...9;initialize'' take a first argument, but because ''initialize'' is static there isn''t a self value there, shifting all arguments over one. One way to demonstrate this is with the following sample: require ''wx'' #begin sample include Wx; class TestFrame < Frame def initialize() super(nil,-1,"Test",Point.new(100,100),Size.new(100,100)) @win = Window.new(self,-1,Point.new(0,0),Size.new(100,100)) end end class TestApp < App def on_init() TestFrame.new().show(true) end end TestApp.new().main_...

...file directory listing with a column named filename, size, time, etc. And then I have methods for doing various things with this object. I then tried to tackle the problem of coercing this S4 object to a data.frame. Again just a learning exercise. The goal would be able to make a call like this testFrame <- as.data.frame(x) where x, was an object of class "df" If I try to define "as.data.frame" as a S4 method, then I can make it work, but I then destroy the S3 functionality of as.data.frame, so that if I were to try to coerce a matrix to a data.frame it would work. So, I...

When operating with a wxGrid is there a way to get a reference to the TextCtrl field that is created when you start typing in a cell. Also is there a way to get mouse events to work with a wxGrid, so far I can''t get any of them to work. I had tried various combo''s of: @grid.evt_left_down(){ |event| puts "Left mouse is down"; } using evt_left_down, evt_left_up,

...ems to do nothing at all, at least in my environment (Ruby 1.9.1 on Win32, wxruby 2.0.1.) Here''s a very simple (non-modal) example, which fails to print ''Created!'' as I''d (perhaps naively) expect it to: -------------------------- require "wx" class TestFrame < Wx::Frame def initialize(*args) super(*args) puts ''In Initialize!'' evt_window_create { puts ''Created!'' } end end class TestApp < Wx::App def on_init TestFrame.new(nil, -1, ''Test!'').show() end end TestApp.new.mai...

...ethod is actually working, but only in the >example code that comes with wxRuby one-click install for Windows. @combo.get_label seems to work for me. See sample code below. HTH, Assaph ----- CODE ----- require ''wxruby'' include Wx ID_DRIVES_BOX = 1 ID_BTN1 = 2 class TestFrame < Frame def initialize super(nil, -1, "Test App") dlgSizer = BoxSizer.new(VERTICAL) drives = `subst`.split("\n").collect {|d| md = d.match(/(.:).* => .*\\(.*)/) "#{md.captures[0]} (#{md.captures[1] })" }...

Hi all, I''ve got a question concerning ListCtrl_virtual of wxRuby since I see no way filling the list with dynamic contents. I''m new to Ruby so I maybe have to apologise for my request. The problem is, that I have to define the on_get_item_text(item, col) function. There I would like to use the item and col variables to read data from a two-dimensional array. My very problem

Hello, I have a multi-year dataset (see below) with date, a data value and a flag for the data value. I want to find the monthly median for each month in this dataset and then plot it. If anyone has suggestions they would be greatly apperciated. It should be noted that there are some dates with no values and they should be removed. Thanks Emily > print ( str(data$flow$daily) )