| static String | SFIToolkit. formatValue(double val,
           String format) | Format a value using a Stata format. | 
| static int | Data. getBestType(double value) | Get the best numeric data type for the specified value. | 
| static int | Data. getMaxStrLength() | Get the maximum length of a Stata string variable of type str. | 
| static int | Data. getMaxVars() | Get the maximum number of variables Stata currently allows. | 
| static double | Data. getNum(int var,
      long obs) | Read a numeric value from the current Stata dataset. | 
| static double | DataFrame. getNum(String rname,
      int var,
      long obs) | Deprecated. Read a numeric value from a data frame. | 
| double | Frame. getNum(int var,
      long obs) | Read a numeric value from the frame. | 
| static long | Data. getObsTotal() | Get the number of observations in the current Stata dataset. | 
| static long | DataFrame. getObsTotal(String rname) | Deprecated. Get the number of observations in a data frame. | 
| long | Frame. getObsTotal() | Get the number of observations in the frame. | 
| static Double | Data. getRealOfString(String s) | Get the double representation of a  String using Stata's
 real()  function. | 
| static String | Data. getStrf(int var,
       long obs) | Read a string value from the current Stata dataset; this method can be
 used to read str data types. | 
| String | Frame. getStrf(int index,
       long obs) | Read a string value from the frame. | 
| static int | Data. getStrVarWidth(int var) | Get the width of a variable of type str. | 
| static int | DataFrame. getStrVarWidth(String rname,
              int var) | Deprecated. Get the width of a variable of type str. | 
| int | Frame. getStrVarWidth(int var) | Get the width of a variable of type str. | 
| static int | Data. getType(int var) | Get the data type for the specified variable. | 
| static int | DataFrame. getType(String rname,
       int var) | Deprecated. Get the numeric data type for the specified variable. | 
| int | Frame. getType(int var) | Get the numeric data type for the specified variable. | 
| static double | Missing. getValue() | Get the numeric value that represents the system missing value in Stata. | 
| static double | Missing. getValue(Missing.Extended extendedMissing) | Get the numeric value that represents an extended missing value in Stata. | 
| static int | Data. getVarCount() | Get the number of variables in the current Stata dataset. | 
| static int | DataFrame. getVarCount(String rname) | Deprecated. Get the number of variables in a data frame. | 
| int | Frame. getVarCount() | Get the number of variables in the frame. | 
| static String | Data. getVarFormat(int var) | Get the format for a Stata variable. | 
| static String | DataFrame. getVarFormat(String rname,
            int var) | Deprecated. Get the format for a variable in a data frame. | 
| String | Frame. getVarFormat(int var) | Get the format for a variable in the frame. | 
| static String | Data. getVarLabel(int var) | Get the label for a Stata variable. | 
| String | Frame. getVarLabel(int var) | Get the label for a variable in the frame. | 
| static String | Data. getVarName(int var) | Get the variable name at a given variable index. | 
| static String | DataFrame. getVarName(String rname,
          int var) | Deprecated. Get the variable name at a given variable index. | 
| String | Frame. getVarName(int var) | Get the variable name at a given variable index. | 
| static boolean | Missing. isMissing(double value) | Test if a value is a Stata missing. | 
| static boolean | Data. isParsedIfTrue(long obs) | Determine if an observation for the if expression qualifier used
 when Java was invoked is true or false. | 
| static boolean | SFIToolkit. isValidName(String s) | Check if a  String is a valid Stata name. | 
| static boolean | SFIToolkit. isValidVariableName(String s) | Check if a  String is a valid Stata variable name. | 
| static boolean | Data. isVarTypeStr(int var) | Test if a variable is of type str. | 
| static boolean | DataFrame. isVarTypeStr(String rname,
            int var) | Deprecated. Test if a variable is of type str. | 
| boolean | Frame. isVarTypeStr(int var) | Test if a variable is of type str. | 
| static boolean | Data. isVarTypeString(int var) | Test if a variable's type is string. | 
| static boolean | DataFrame. isVarTypeString(String rname,
               int var) | Deprecated. Test if a variable is string or numeric. | 
| boolean | Frame. isVarTypeString(int var) | Test if a variable is string or numeric. | 
| static boolean | Data. isVarTypeStrL(int var) | Test if a variable is of type strL. | 
| static boolean | DataFrame. isVarTypeStrL(String rname,
             int var) | Deprecated. Test if a variable is of type strL. | 
| boolean | Frame. isVarTypeStrL(int var) | Test if a variable is of type strL. | 
| static String | Data. makeVarName(String s,
           boolean retainCase) | Attempt to form a valid variable name from a string. | 
| static int | Data. mapParsedVarIndex(int var) | Map the variable index from the parsed varlist. | 
| static boolean | Missing. parseIsMissing(String s) | Test if a string is a Stata missing. | 
| static int | SFIToolkit. pollnow() | Request that Stata poll its GUI immediately. | 
| static int | SFIToolkit. pollstd() | Request that Stata poll its GUI at the standard interval. | 
| static String | SFIToolkit. stackTraceToString(Exception e) |  | 
| static String | SFIToolkit. stackTraceToString(Throwable t) |  | 
| static int | DataFrame. storeNum(String rname,
        int var,
        long obs,
        double value) | Deprecated. Store a numeric value in a data frame. | 
| static int | Data. storeNumFast(int var,
            long obs,
            double value) | Store a numeric value in the current Stata dataset. | 
| int | Frame. storeNumFast(int var,
            long obs,
            double value) | Store a numeric value in the frame. | 
| static int | Data. storeStrfFast(int var,
             long obs,
             String value) | Store a string value in the current Stata dataset; this method can be
 used to store str data types. | 
| int | Frame. storeStrfFast(int var,
             long obs,
             String value) | Store a string value in the frame. |