RSurvey (version 0.7-0)

ManageData: Manage Data

Description

A GUI for managing, querying, and formatting data.

Usage

ManageData(cols, vars, parent = NULL)

Arguments

cols

list; see Value.

vars

list; see Value.

parent

tkwin; the GUI parent window.

Value

• Queries and sets the cols component of Data, a list whose length is equal to the current number of data variables. Each component in cols is linked to a specific variable, and contains the following components:
• name
  character; variable name.
• unit
  character; measurement units (optional); programmatic manipulation of measurement units is only supported for date and time variables.
• format
  character; the conversion specification format (optional).
• id
  character; a unique identifier that is created from a string concatenation of name and unit.
• fun
  character; the expression evaluated when computing the variables vector of values.
• index
  integer; the variables component index number in the data.raw data frame, see ImportData. Only required for variables directly linked to data columns in data.raw.
• class
  character; the data class of the vector object.
• summary
  list; a summary of the variables descriptive statistics (see SummarizeData).
• comments
  character; user comments.
• The vars object is a list with components:
• x, y, z, t, vx, vy
  integer; the index number of the corresponding state variable in cols.
• The vars component of Data is updated to reflect the removal and (or) reordering of variables.

Details

This GUI lets you: (1) specify the names, measurement units, and format of variables; (2) add new variables based on user defined functions, see EditFunction; (3) display data in a spreadsheat, see ViewData; and (4) remove and (or) reorder variables in the data table.

Examples

data(project)
ManageData(project$cols, project$vars)