本文整理了Java中weka.core.Utils.getOptionPos()方法的一些代码示例，展示了Utils.getOptionPos()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Utils.getOptionPos()方法的具体详情如下：
包路径：weka.core.Utils
类名称：Utils
方法名：getOptionPos
[英]Gets the index of an option or flag indicated by a flag "-Char" from the given array of strings. Stops searching at the first marker "--".
[中]获取由给定字符串数组中的标志“-Char”指示的选项或标志的索引。停止搜索第一个标记“-”。
代码示例来源：origin: Waikato/weka-trunk
/**
* Gets the index of an option or flag indicated by a flag "-Char" from the
* given array of strings. Stops searching at the first marker "--".
*
* @param flag the character indicating the option.
* @param options the array of strings containing all the options.
* @return the position if found, or -1 otherwise
*/
public static int getOptionPos(char flag, String[] options) {
return getOptionPos("" + flag, options);
}代码示例来源：origin: nz.ac.waikato.cms.weka/weka-stable
/**
* Gets the index of an option or flag indicated by a flag "-Char" from the
* given array of strings. Stops searching at the first marker "--".
*
* @param flag the character indicating the option.
* @param options the array of strings containing all the options.
* @return the position if found, or -1 otherwise
*/
public static int getOptionPos(char flag, String[] options) {
return getOptionPos("" + flag, options);
}代码示例来源：origin: nz.ac.waikato.cms.weka/weka-stable
/**
* Checks if the given array contains the flag "-String". Stops searching at
* the first marker "--". If the flag is found, it is replaced with the empty
* string.
*
* @param flag the String indicating the flag.
* @param options the array of strings containing all the options.
* @return true if the flag was found
* @exception Exception if an illegal option was found
*/
public static boolean getFlag(String flag, String[] options) throws Exception {
int pos = getOptionPos(flag, options);
if (pos > -1) {
options[pos] = "";
}
return (pos > -1);
}代码示例来源：origin: Waikato/weka-trunk
/**
* Checks if the given array contains the flag "-String". Stops searching at
* the first marker "--". If the flag is found, it is replaced with the empty
* string.
*
* @param flag the String indicating the flag.
* @param options the array of strings containing all the options.
* @return true if the flag was found
* @exception Exception if an illegal option was found
*/
public static boolean getFlag(String flag, String[] options) throws Exception {
int pos = getOptionPos(flag, options);
if (pos > -1) {
options[pos] = "";
}
return (pos > -1);
}代码示例来源：origin: Waikato/meka
/**
* Parses an array option, returns all the occurrences of the option as a string array.
*
* @param options the option array to use
* @param option the option to look for in the options array (no leading dash)
* @return the parsed value (or default value if option not present)
* @throws Exception if parsing of value fails
*/
public static String[] parse(String[] options, String option) throws Exception {
List<String> result = new ArrayList<>();
while (Utils.getOptionPos(option, options) > -1)
result.add(Utils.getOption(option, options));
return result.toArray(new String[result.size()]);
}代码示例来源：origin: net.sf.meka/meka
/**
* Parses an array option, returns all the occurrences of the option as a string array.
*
* @param options the option array to use
* @param option the option to look for in the options array (no leading dash)
* @return the parsed value (or default value if option not present)
* @throws Exception if parsing of value fails
*/
public static String[] parse(String[] options, String option) throws Exception {
List<String> result = new ArrayList<>();
while (Utils.getOptionPos(option, options) > -1)
result.add(Utils.getOption(option, options));
return result.toArray(new String[result.size()]);
}代码示例来源：origin: nz.ac.waikato.cms.weka/meka
@Override
public void setOptions(String[] options) throws Exception {
m_Is = (Utils.getOptionPos("Is",options) >= 0) ? Integer.parseInt(Utils.getOption("Is", options)) : m_Is;
m_Iy = (Utils.getOptionPos("Iy",options) >= 0) ? Integer.parseInt(Utils.getOption("Iy", options)) : m_Iy;
m_Payoff = (Utils.getOptionPos('P',options) >= 0) ? Integer.parseInt(Utils.getOption('P', options)) : m_Payoff;
super.setOptions(options);
}代码示例来源：origin: net.sf.meka/meka
/**
* Parses a given list of options. Valid options are:<p>
*
* -K <br>
* Use kernel estimation for modelling numeric attributes rather than
* a single normal distribution.<p>
*
* -D <br>
* Use supervised discretization to process numeric attributes.
*
* @param options the list of options as an array of strings
* @exception Exception if an option is not supported
*/
public void setOptions(String[] options) throws Exception {
//These are just examples, modify to suit your algorithm
// boolean k = Utils.getFlag('K', options);
// boolean d = Utils.getFlag('D', options);
// if (k && d) {
// throw new IllegalArgumentException(
// "Can't use both kernel density estimation and discretization!");
// }
// setUseSupervisedDiscretization(d);
// setUseKernelEstimator(k);
roa = (Utils.getOptionPos("P",options) >= 0) ? Double.parseDouble(Utils.getOption("P", options)) : roa;
m_userankstoclass= (Utils.getOptionPos("K",options) >= 0);
super.setOptions(options);
}代码示例来源：origin: nz.ac.waikato.cms.weka/meka
@Override
public void setOptions(String[] options) throws Exception {
m_I = (Utils.getOptionPos('I',options) >= 0) ? Integer.parseInt(Utils.getOption('I',options)) : m_I;
super.setOptions(options);
}代码示例来源：origin: Waikato/meka
/**
* Parses a given list of options. Valid options are:<p>
*
* -K <br>
* Use kernel estimation for modelling numeric attributes rather than
* a single normal distribution.<p>
*
* -D <br>
* Use supervised discretization to process numeric attributes.
*
* @param options the list of options as an array of strings
* @exception Exception if an option is not supported
*/
public void setOptions(String[] options) throws Exception {
//These are just examples, modify to suit your algorithm
// boolean k = Utils.getFlag('K', options);
// boolean d = Utils.getFlag('D', options);
// if (k && d) {
// throw new IllegalArgumentException(
// "Can't use both kernel density estimation and discretization!");
// }
// setUseSupervisedDiscretization(d);
// setUseKernelEstimator(k);
roa = (Utils.getOptionPos("P",options) >= 0) ? Double.parseDouble(Utils.getOption("P", options)) : roa;
m_userankstoclass= (Utils.getOptionPos("K",options) >= 0);
super.setOptions(options);
}代码示例来源：origin: net.sf.meka/meka
/**
* Parses a given list of options. Valid options are:<p>
*
* -K <br>
* Use kernel estimation for modelling numeric attributes rather than
* a single normal distribution.<p>
*
* -D <br>
* Use supervised discretization to process numeric attributes.
*
* @param options the list of options as an array of strings
* @exception Exception if an option is not supported
*/
public void setOptions(String[] options) throws Exception {
//These are just examples, modify to suit your algorithm
// boolean k = Utils.getFlag('K', options);
// boolean d = Utils.getFlag('D', options);
// if (k && d) {
// throw new IllegalArgumentException(
// "Can't use both kernel density estimation and discretization!");
// }
// setUseSupervisedDiscretization(d);
// setUseKernelEstimator(k);
roa = (Utils.getOptionPos("P",options) >= 0) ? Double.parseDouble(Utils.getOption("P", options)) : roa;
m_userankstoclass= (Utils.getOptionPos("K",options) >= 0);
super.setOptions(options);
}代码示例来源：origin: net.sf.meka/meka
/**
* Parses a given list of options. Valid options are:<p>
*
* -K <br>
* Use kernel estimation for modelling numeric attributes rather than
* a single normal distribution.<p>
*
* -D <br>
* Use supervised discretization to process numeric attributes.
*
* @param options the list of options as an array of strings
* @exception Exception if an option is not supported
*/
public void setOptions(String[] options) throws Exception {
//These are just examples, modify to suit your algorithm
// boolean k = Utils.getFlag('K', options);
// boolean d = Utils.getFlag('D', options);
// if (k && d) {
// throw new IllegalArgumentException(
// "Can't use both kernel density estimation and discretization!");
// }
// setUseSupervisedDiscretization(d);
// setUseKernelEstimator(k);
roa = (Utils.getOptionPos("P",options) >= 0) ? Double.parseDouble(Utils.getOption("P", options)) : roa;
m_userankstoclass= (Utils.getOptionPos("K",options) >= 0);
super.setOptions(options);
}代码示例来源：origin: Waikato/meka
/**
* Parses a given list of options. Valid options are:<p>
*
* -K <br>
* Use kernel estimation for modelling numeric attributes rather than
* a single normal distribution.<p>
*
* -D <br>
* Use supervised discretization to process numeric attributes.
*
* @param options the list of options as an array of strings
* @exception Exception if an option is not supported
*/
public void setOptions(String[] options) throws Exception {
//These are just examples, modify to suit your algorithm
// boolean k = Utils.getFlag('K', options);
// boolean d = Utils.getFlag('D', options);
// if (k && d) {
// throw new IllegalArgumentException(
// "Can't use both kernel density estimation and discretization!");
// }
// setUseSupervisedDiscretization(d);
// setUseKernelEstimator(k);
roa = (Utils.getOptionPos("P",options) >= 0) ? Double.parseDouble(Utils.getOption("P", options)) : roa;
m_userankstoclass= (Utils.getOptionPos("K",options) >= 0);
super.setOptions(options);
}代码示例来源：origin: net.sf.meka/meka
/**
* Parses a given list of options. Valid options are:<p>
*
* -K <br>
* Use kernel estimation for modelling numeric attributes rather than
* a single normal distribution.<p>
*
* -D <br>
* Use supervised discretization to process numeric attributes.
*
* @param options the list of options as an array of strings
* @exception Exception if an option is not supported
*/
public void setOptions(String[] options) throws Exception {
//These are just examples, modify to suit your algorithm
// boolean k = Utils.getFlag('K', options);
// boolean d = Utils.getFlag('D', options);
// if (k && d) {
// throw new IllegalArgumentException(
// "Can't use both kernel density estimation and discretization!");
// }
// setUseSupervisedDiscretization(d);
// setUseKernelEstimator(k);
roa = (Utils.getOptionPos("P",options) >= 0) ? Double.parseDouble(Utils.getOption("P", options)) : roa;
m_userankstoclass= (Utils.getOptionPos("K",options) >= 0);
super.setOptions(options);
}代码示例来源：origin: net.sf.meka/meka
/**
* Parses a given list of options. Valid options are:<p>
*
* -K <br>
* Use kernel estimation for modelling numeric attributes rather than
* a single normal distribution.<p>
*
* -D <br>
* Use supervised discretization to process numeric attributes.
*
* @param options the list of options as an array of strings
* @exception Exception if an option is not supported
*/
public void setOptions(String[] options) throws Exception {
//These are just examples, modify to suit your algorithm
// boolean k = Utils.getFlag('K', options);
// boolean d = Utils.getFlag('D', options);
// if (k && d) {
// throw new IllegalArgumentException(
// "Can't use both kernel density estimation and discretization!");
// }
// setUseSupervisedDiscretization(d);
// setUseKernelEstimator(k);
roa = (Utils.getOptionPos("P",options) >= 0) ? Double.parseDouble(Utils.getOption("P", options)) : roa;
m_userankstoclass= (Utils.getOptionPos("K",options) >= 0);
super.setOptions(options);
}代码示例来源：origin: net.sf.meka/meka
/**
* Parses a given list of options. Valid options are:<p>
*
* -K <br>
* Use kernel estimation for modelling numeric attributes rather than
* a single normal distribution.<p>
*
* -D <br>
* Use supervised discretization to process numeric attributes.
*
* @param options the list of options as an array of strings
* @exception Exception if an option is not supported
*/
public void setOptions(String[] options) throws Exception {
//These are just examples, modify to suit your algorithm
// boolean k = Utils.getFlag('K', options);
// boolean d = Utils.getFlag('D', options);
// if (k && d) {
// throw new IllegalArgumentException(
// "Can't use both kernel density estimation and discretization!");
// }
// setUseSupervisedDiscretization(d);
// setUseKernelEstimator(k);
roa = (Utils.getOptionPos("P",options) >= 0) ? Double.parseDouble(Utils.getOption("P", options)) : roa;
m_userankstoclass= (Utils.getOptionPos("K",options) >= 0);
super.setOptions(options);
}代码示例来源：origin: Waikato/meka
/**
* Parses a given list of options. Valid options are:<p>
*
* -K <br>
* Use kernel estimation for modelling numeric attributes rather than
* a single normal distribution.<p>
*
* -D <br>
* Use supervised discretization to process numeric attributes.
*
* @param options the list of options as an array of strings
* @exception Exception if an option is not supported
*/
public void setOptions(String[] options) throws Exception {
//These are just examples, modify to suit your algorithm
// boolean k = Utils.getFlag('K', options);
// boolean d = Utils.getFlag('D', options);
// if (k && d) {
// throw new IllegalArgumentException(
// "Can't use both kernel density estimation and discretization!");
// }
// setUseSupervisedDiscretization(d);
// setUseKernelEstimator(k);
roa = (Utils.getOptionPos("P",options) >= 0) ? Double.parseDouble(Utils.getOption("P", options)) : roa;
m_userankstoclass= (Utils.getOptionPos("K",options) >= 0);
super.setOptions(options);
}代码示例来源：origin: Waikato/meka
/**
* Parses a given list of options. Valid options are:<p>
*
* -K <br>
* Use kernel estimation for modelling numeric attributes rather than
* a single normal distribution.<p>
*
* -D <br>
* Use supervised discretization to process numeric attributes.
*
* @param options the list of options as an array of strings
* @exception Exception if an option is not supported
*/
public void setOptions(String[] options) throws Exception {
//These are just examples, modify to suit your algorithm
// boolean k = Utils.getFlag('K', options);
// boolean d = Utils.getFlag('D', options);
// if (k && d) {
// throw new IllegalArgumentException(
// "Can't use both kernel density estimation and discretization!");
// }
// setUseSupervisedDiscretization(d);
// setUseKernelEstimator(k);
roa = (Utils.getOptionPos("P",options) >= 0) ? Double.parseDouble(Utils.getOption("P", options)) : roa;
m_userankstoclass= (Utils.getOptionPos("K",options) >= 0);
activity_report = (Utils.getOptionPos("Rt",options) >= 0) ? Utils.getOption("Rt", options) : "";
super.setOptions(options);
}代码示例来源：origin: nz.ac.waikato.cms.weka/meka
/**
* SetClassesFromOptions.
* @note: there is a similar function in Exlorer.prepareData(D) but that function can only take -C from the dataset options.
*/
public static void setClassesFromOptions(Instances D, String options[]) throws Exception {
try {
// get L
int L = (Utils.getOptionPos('C', options) >= 0) ? Integer.parseInt(Utils.getOption('C',options)) : Integer.parseInt(Utils.getOption('c',options));
// if negative, then invert first
if ( L < 0) {
L = -L;
D = MLUtils.switchAttributes(D,L);
}
// set L
D.setClassIndex(L);
} catch(Exception e) {
e.printStackTrace();
//System.err.println("[Error] Failed to Set Options from Command Line -- Check\n\t the spelling of the base classifier;\n \t that options are specified in the correct order (respective to the '--' divider); and\n\t that the class index is set properly.");
//System.exit(1);
throw new Exception ("Error] Failed to Set Classes from options.");
}
}代码示例来源：origin: nz.ac.waikato.cms.weka/meka
/**
* Prepares the class index of the data.
*
* @param data the data to prepare
* @throws Exception if preparation fails
*/
public static void prepareData(Instances data) throws Exception {
String doptions[] = null;
try {
doptions = MLUtils.getDatasetOptions(data);
}
catch(Exception e) {
throw new Exception("[Error] Failed to Get Options from @Relation Name", e);
}
int c = (Utils.getOptionPos('C', doptions) >= 0) ? Integer.parseInt(Utils.getOption('C',doptions)) : Integer.parseInt(Utils.getOption('c',doptions));
// if negative, then invert
if ( c < 0) {
c = -c;
data = MLUtils.switchAttributes(data,c);
}
// set c
data.setClassIndex(c);
}内容来源于网络，如有侵权，请联系作者删除！