Edit Menu

• Undo Each invocation reverses the most recent change (that hasn't already been undone) made to the Edit Window contents since the last save. There is no limit to the number of undos. Any pending undos are discarded when you save to a file or if you load a new program using the File>Open menu selection.

• Redo Each invocation reverses the most recent Undo action that hasn't already been redone.

• Cut Removes the selected text from the Edit Window and saves it in the clipboard. This selection is disabled if the Debug tab is forward.

• Copy Copies the selected text from the Edit Window or the Output Window and saves it in the clipboard.

• Paste Pastes the text from the clipboard into the Edit Window replacing any selected text or inserting the clipboard text at the cursor in the Edit Window. This selection is disabled if the Debug tab is forward.

• Paste from Spreadsheet Pastes the contents of the system clipboard into the Edit Window at the cursor. The clipboard contents are assumed to have been copied from a spreadsheet program such as Microsoft Excel by selecting the desired cells in the spreadsheet and choosing Copy (Ctrl-C). If the spreadsheet selection has row titles only, Statistics101 will automatically convert the rows into LET commands of the form row_title = (1 2 3 ...). If the selection has column titles only, Statistics101 will automatically convert the columns into LET commands of the form column_title = (1 2 3 ...). The selection must not have both row titles and column titles. Any spaces in the titles will be replaced by underscores. For example "row title" will become "row_title" so that it is a valid vector name. If you include row or column titles in your selection, then all rows or columns must have titles, i.e. there must be no empty title cells. Any empty data cells (non-title cells) in the spreadsheet will be replaced with "NaN".
  
  If the selection has neither row nor column titles, you will be asked to choose whether it should be interpreted as rows or columns. In this case, row or column names will be created in the form "row_1", "row_2", etc., or "col_1", "col_2", etc., respectively to construct LET commands with valid vector names. The numerical suffixes on the created row and column names will increment by 1 for each row or column that you paste. If you want to restart the counts from 1, hold down the Shift key while you select the menu item "Paste from Spreadsheet" (Shift-Clicking). The count for both rows and columns will be restarted from 1. The Shift key reset feature only works when you use the "Paste From Spreadsheet" menu item using the mouse. It will not work with the Alt-V shortcut key.
  
  The Paste from Spreadsheet feature automatically recognizes tabs or commas or semicolons or pipes ("|") as row/column delimiters without user intervention. If your selection has a different delimiter (rare), you can change the delimiter by holding down the Ctrl key while you click on the "Paste from Spreadsheet" menu item (Ctrl-clicking). You will be asked to enter a single character delimiter. The delimiter you enter will be used until either you change it again by the same method, or you make a selection that uses tabs, commas, semicolons or pipes as delimiters, or until you restart the Statistics101 program. The change delimiter feature only works when you use the "Paste From Spreadsheet" menu item using the mouse. It will not work with the Alt-V shortcut key.
  
  The following diagrams show different selections in a spreadsheet and the results of using "Paste from Spreadsheet" to paste the selection into the editor.

Here is a portion of an Excel spreadsheet containing a data table. The selected rows, including the row titles, are copied to the system clipboard by right-clicking and choosing the Copy menu item or by pressing Ctrl-C. The figure at right shows the result after the selection is pasted into the Statistics101 edit window.	The selected rows from the figure at left are pasted into the Statistics101 editor above by right-clicking and selecting the "Paste from Spreadsheet" menu item or by pressing Alt-V. Note that the spaces in the row titles have been replaced with underscores. Also note that the empty cell at C6 has been replaced with "NaN".
Here, columns are selected, including both column titles and data. They are copied to the system clipboard by right-clicking and choosing the Copy menu item or by pressing Ctrl-C. The figure at right shows the result after the selection is pasted into the Statistics101 edit window.	The selected columns from the figure at left are pasted into the Statistics101 editor by right-clicking and selecting the "Paste from Spreadsheet" menu item or by pressing Alt-V. Note that the spaces in the column titles have been replaced with underscores. Also note that the empty cell at C6 has been replaced with "NaN".
This time only the data cells have been copied without including their row or column titles. This gives Statistics101 no information as to which way to interpret the table, so it must ask. See resulting dialog in the figure at right.	At left, only the data is selected, not titles. Therefore the user is asked via the above dialog to choose whether to interpret the table as rows or columns. In this example, columns has been chosen, with the result shown below.
Note at right that the above selection has been interpreted as being columns of data in accordance with the choice of Columns in the dialog above right. Since no titles were included in the selection, Statistics101 created names for each vector. You can edit the names to change them to whatever you prefer.

• Find/Replace opens a dialog box that allows you to search the program that is in the Statistics101 editor for a word or words, and optionally replace the found text with another word or words. See details above in the discussion of the Edit Popup Window.

• Include Lib File... Opens a File Selection dialog to let you choose a file containing subroutines from the lib directory. After you select a file and click OK, an INCLUDE command for that file will be automatically added to the top of your program in the Edit Window.

• Refresh Subroutine Index Rescans the supplied subroutine library and the user's default library to rebuild the subroutine indexes. The subroutine indexes are used by the Subroutine Browser (F5), the Command/Subroutine Index (F3), and other functions of the Statistics101 help system. The indexes are built when the program launches, so this refresh is only needed if you make a change to a subroutine in your default library while Statistics101 is running.

• (Help) Commands by Name Displays a list of all the Statistics101 commands. Selecting a command will cause a help window to appear with the detailed description of the command. If you hold down the SHIFT key when making the selection, the command will be inserted in your program at the cursor position. If you pause the mouse pointer over any one of the command names, a tooltip will appear describing the command.

• (Help) Subroutines from Lib by Name Displays a list of all the subroutines that are in the /lib directory. Selecting a subroutine will cause a help window to appear that contains the file from /lib that defined the subroutine so that you can see its comments and detailed definition. If you hold down the SHIFT key when making the selection, the subroutine will be inserted in your program at the cursor position and an INCLUDE command for the subroutine's file will be inserted at the top of the program unless an identical one is already there.
  
  If you pause the mouse pointer over any one of the subroutine names, a tooltip will appear describing the subroutine. If you add files containing your own subroutines to the lib directory, their names will be added to the list. The first menu item is always "Refresh List". This item will cause Statistics101 to re-scan the contents of the lib directory and rebuild the list of subroutine names. You might need to do this if you added (or removed) a subroutine file to the lib while Statistics101 was running because Statistics101 performs the scan at startup and not again until you request it via "Refresh List".

• (Help) Commands and Subroutines by Category Displays a list of categories, each of which leads to a list of Statistics101 commands and subroutines from the /lib directory that are in each category. Commands are shown in bold in this list, subroutines are shown in plain text. Selecting a command will cause a help window to appear with the detailed description of the command. Selecting a subroutine will cause a help window to appear that contains the file from /lib that defined the subroutine so that you can see its comments and detailed definition. If you hold down the SHIFT key when making the selection, the command or subroutine will be inserted in your program at the cursor position and if it is a subroutine, then if needed, an INCLUDE command will be inserted at the top of the program. The above figure shows this menu fully extended.
  
  If you pause the mouse pointer over any one of the command or subroutine names, a tooltip will appear describing the command or subroutine. If you add files containing your own subroutines to the lib directory, their names will be added to the list. The first menu item is always "Refresh List". This item will cause Statistics101 to re-scan the contents of the lib directory and rebuild the list of subroutine names. You might need to do this if you added (or removed) a subroutine file to the lib while Statistics101 was running because Statistics101 performs the scan at startup and not again until you request it via "Refresh List".

• Indent Program Indents any non-comment lines enclosed by REPEAT...END, WHILE...END , and IF... END commands to make it easier to read the text. Does not change the typographical case of any commands. Operates on either the Edit Window or the Debug Window, whichever one is showing. If you hold down the Shift key when selecting this menu item, then comment lines (those beginning with an apostrophe) will also be indented to the same level as their surrounding program text.

• Indent Program, Upper Case Same as above Indent Program command except that all the commands in the Edit Window will be rendered in upper case. Operates on either the Edit Window or the Debug Window, whichever one is showing. If you hold down the Shift key when selecting this menu item, then comment lines (those beginning with an apostrophe) will also be indented to the same level as their surrounding program text.

• Indent Program, Lower Case Same as above Indent Program command except that all the commands in the Edit Window will be rendered in lower case. Operates on either the Edit Window or the Debug Window, whichever one is showing. If you hold down the Shift key when selecting this menu item, then comment lines (those beginning with an apostrophe) will also be indented to the same level as their surrounding program text.

• Show/Hide Line Numbers Displays line numbers at the left of each line in the Edit Window. When line numbers are visible, the longer text lines will wrap if the window is too narrow. When line numbers are not visible, the text will not wrap. Operates on both the Edit Window and the Debug Window regardless of which is showing.

• Preferences... Opens a dialog window that lets you select default options for the Statistics101 program. Your selections will be applied immediately when you click the OK button on the dialog. They will also be stored so that the next time the program is run it will start up with the options you selected. The preferences dialog has four tabs. Each tab sets the preferences for a different category of features. See the next figure and the bullet points below it for details.
  
  
  

  
  

Control Buttons: The three buttons at the bottom of the panel do the following:

• OK button. This saves any changes you made in the dialog window and closes the window.

• Revert button. If you made any changes since you opened the Preferences window, this button will be enabled. Clicking it will reset the window options, canceling any changes you made.

• Cancel button. Clicking this closes the Preferences window and ignores any changes you might have made to the Preference settings in the window. Clicking on the close box (the red "X" in the figure above, or the equivalent on your system) has the same effect as the Cancel button.

• Help button. Displays this help file in a browser.

General: This tab allows you to set defaults for various options that affect Statistics101's overall behavior.

• Always check for new Statistics101 version on program startup. If this checkbox is selected, then each time you start Statistics101 it will check the www.statistics101.net website to see if there is a new version. If there is a new version, a message dialog box will appear tell you so. If yours is the latest version, the program will startup as usual with no notification. Your computer must be connected to an active Internet port for this to work. If your Internet connection is unavailable, the program will not notify you, it will just proceed to its normal operation. If you want to check manually for an update, use the Help>Check for update... menu selection.

• Don't show internal constants in PROGINFO command. When this checkbox is selected, the PROGINFO command will not print out the internal variables when it outputs the program variables to the output window.

• Use Java's pseudo random generator by default (not recommended). When this checkbox is selected, Statistics101 will default to using the pseudo-random number generator provided by the Java language's java.util.Random class. Otherwise, all the random numbers used by Statistics101 are generated by the Mersenne Twister algorithm, which is considered to be superior for simulation applications. For details on the Java class, see http://java.sun.com/j2se/1.4.2/docs/api/java/util/Random.html. You can override this default setting using the SEED command.

• Default folder for Resampling Stats programs: If you want to choose a folder to store your Resampling Stats programs other than the one provided with the program, enter the folder's path in the text box. You can give it any name you prefer and put it in any directory for which you have write privileges. Or, you can use the Browse button to find the folder you want to use.

• Default folder for my subroutines: If you want to choose a folder to store Resampling Stats subroutines that you write other than the default chosen by the program, enter the folder's path in the text box. You can give it any name you prefer and put it in any directory for which you have write privileges. Or, you can use the Browse button to find the folder you want to use. The subroutines in the files in this folder will be scanned and made visible in the Subroutine Browser.

Graphs: This tab allows you to set defaults for all of the graphs generated by the graphical commands, XYGRAPH or SCATTERGRAPH or HISTOGRAM. Here is the screenshot of this tab and its description in the following bullets.

• Show Annotations. When selected, all graphs will, by default, display the X and Y values of the curves graphed at the position of the mouse pointer. If deselected, the annotations will not be displayed. You can override the default setting for any graph using the graph's popup menu. See Graph Features.

• Show Grid. When selected, the vertical and horizontal grid lines will be displayed on all new graphs. When deselected, the grid lines will not be displayed. You can override the default setting for any graph using the graph's popup menu. See Graph Features.

• Show Cross-hairs. When selected, the vertical and horizontal cross-hairs will be displayed on all new graphs at the position of the mouse pointer. When deselected, the cross-hairs will not be displayed. You can override the default setting for any graph using the graph's popup menu. See Graph Features.

• Show Legend. When selected, the legend describing which curves have which colors will be displayed on all new graphs. When deselected, the legend will not be displayed. You can override the default setting for any graph using the graph's popup menu. See Graph Features.

• Use Dashed Lines. When selected, the curves displayed by a graph will, by default, be distinguished by a unique sequence of short and long dashed lines in different colors. When deselected, the curves will be displayed as solid lines in different colors. You can override the default setting for any graph using the graph's popup menu. See Graph Features.

• Scroll graph tabs. When selected, if there are too many graphs showing in the output window such that their tabs won't fit within the window's width, then the tabs will display in one row with a scroll button that will step through the tabs. When deselected, the tabs will display as multiple rows across the window's width, if necessary. Here is the view if the box is checked (tabs scroll):

Here is the view of the graph tabs if the box is unchecked (tabs wrap):

Editor: This tab allows you to set defaults that control some aspects of the Statistics101 program editor.

• Always start with line numbers showing in the editor window. If this checkbox is selected, then Statistics101's Program Panel will default to displaying line numbers. If the checkbox is unchecked, the Program Panel will default to not showing the line numbers. Either way, you can still toggle the current display of line numbers using the Ctrl-L keyboard shortcut or the Edit>Show/Hide Line Numbers menu selection.

• Highlight matching occurrences of word under cursor. If this checkbox is selected, then whenever you put the cursor within a word, all instances of that word in the program will become highlighted. If the checkbox is not selected, then words that match the word under the cursor will not be highlighted.

• Highlight the line that the cursor is on. If this checkbox is selected, the line that the insertion point cursor is on will be highlighted in a light blue color to emphasize it. If the checkbox is not selected, then the line containing the cursor will not be highlighted.

• Start editors with light text on dark background ("Night" colors). If this box is checked, the editor panels in the "Edit" and "Debug" tabs will use white for text and dark colors (dark blue and gray, respectively) for the background. If unchecked, the backgrounds will be white and light gray, respectively, with black text. The Night colors are helpful for people who have "floaters" in their eyes.
  

• Font size. Enter a font size. This size will be used for all text windows in Statistics101.

• Autorecover save time: This sets how often the contents of the editor are automatically saved to a recovery file. Enter an integer number of minutes. By default the program is set to save the editor contents automatically every two minutes. If you want to turn off this feature, enter 0 as the AutoRecover save time. Whether or not you disable the feature by entering a zero, Statistics101 will still save the contents of the editor in a recovery file whenever you run your program.
  
  If Statistics101 stops unexpectedly or you have to kill it for some reason, the recovery file remains on your hard drive so that the next time you start Statistics101 you will be given a chance to recover any work you had done up to the last autosave. If there is a recovery file, then the next time you launch Statistics101 this dialog box will appear listing the available recovery file or files:

To recover, select a recovery file from the list, then click Open. The contents of the recovery file will be copied into the editor.

If you don't want to recover any of the files in the list during your current session, then click Cancel. The recovery dialog will disappear and Statistics101 will open normally with the editor empty. The next time you start Statistics101 you will again see the recovery dialog box. If you don't plan to use the recovery file and want to delete it, then click Open to allow Statistics101 to copy the recovery file into the editor, then use the File>New menu item to clear the editor's contents. The old recovery file will be deleted. The recovery files are in a folder named ".Statistics101Settings" within your user home directory and have the extension ".stats101recov". You can delete them manually if you wish, but don't delete any other files from that directory.

• Enable auto-INCLUDE. When this checkbox is selected, Statistics101 will insert an INCLUDE command for any subroutine that your program invokes that doesn't already have its file included. This applies to any subroutines in the lib directory and, if the "Scan my subroutine library also" box is selected, it applies to subroutines that are in the ResamplingStatsSubroutines directory. The INCLUDE command(s) will be added at the top of the program in the editor when a syntax check occurs. A syntax check occurs when called for by selecting Run>Check Program Syntax menu (Ctrl-K) or whenever the program is run. This ability to insert missing INCLUDE commands is called the auto-INCLUDE feature. It works like this: say you are writing a program and you need to compute a factorial, so you invoke the FACTORIAL subroutine. That subroutine is in the "mathCommands.txt" file in the "lib" directory. Therefore your program needs an INCLUDE command naming that file so Statistics101 can find the subroutine. If you don't type in the INCLUDE file yourself, then when you run a syntax check or run the program, Statistics101 will insert the needed INCLUDE command itself.

• Use relative file path name for lib subroutines. When this checkbox is selected, the auto-INCLUDE feature will use a path that is relative to the user's working directory for any INCLUDE statements that it inserts automatically for subroutines. When the checkbox is not selected, the auto-INCLUDE feature will use the full file path to identify the subroutine file to be included. If you have installed Statistics101 normally, the working directory should be the directory containing the "Statistics101.jar" file. A relative file path is a partial path that omits the path to the working directory. For example, if your working directory is "c:\program files\statistics101\" and the full path to the file to be included is "c:\program files\statistics101\lib\mathCommands.txt", then the relative file path name will be "lib\mathCommands.txt".

• Scan my subroutine library also. When this checkbox is not selected, the auto-INCLUDE feature will only insert INCLUDE commands for subroutines that are in the "lib" directory that comes with the program. When this checkbox is selected, the auto-INCLUDE feature will also insert INCLUDE commands for subroutines that are in the directory that is selected by the Default folder for my subroutines text box in the General tab of the preferences dialog. Either the full path or the relative path will be used for subroutines from your user subroutine directory, depending on the setting of the "Use relative file path name for lib subroutines" checkbox.

Debugger: This tab allows you to set the maximum number of elements of a vector that will be displayed in the Debugger Variables window and how many elements from the head and tail of the oversized vector will be displayed. Displaying only a subset of a long vector can speed up the debugging process. That's because displaying a very long vector can actually take several seconds even on a fast computer and each time you click the "Step" button, all the vectors in the Debugger Variables window must be redrawn. NOTE: These settings take effect when the "Abridge Long Vectors" checkbox (in the Debugger Variables window) is checked and are ignored when that checkbox is unchecked.

• Abridge vectors longer than ... elements: This numerical field specifies the maximum vector length that the debugger will display in the Debugger Variables window without abridging, or shortening. For example, the default setting of 1000 means that if a vector has more than 1000 elements, a portion of the middle of the vector will be omitted from the display. Any vector shorter than 1000 will be unaffected. The reason for abridging long vectors is to reduce the time between debugging steps. On each debugging step, each vector must be formatted and displayed. Doing so for a very long vector can take many seconds.

• Show first and last ... elements: This numerical field specifies how many elements from the head and tail of a vector will be displayed when the vector is longer than the maximum allowed. For example the default setting of 500 means that the first 500 elements and the last 500 elements will be displayed. The elements in the middle, if any, will be omitted and replaced by three asterisks, "***". The number you enter here must be less than or equal to one half the maximum size entered in the "Abridge vectors longer than" box.