• 2022-10-27 问题

    Python中可自定义该方法实现函数:[br][/br]Def StandardScaler(data):[br][/br]Data=(data-data.mean())/data.std()[br][/br]Return data

    Python中可自定义该方法实现函数:[br][/br]Def StandardScaler(data):[br][/br]Data=(data-data.mean())/data.std()[br][/br]Return data

  • 2021-04-14 问题

    If the mean of a numerical data set exceeds the median, the data are considered to be left-skewed.

    If the mean of a numerical data set exceeds the median, the data are considered to be left-skewed.

  • 2022-06-07 问题

    The value that occurs most often in a set of data is called the mean

    The value that occurs most often in a set of data is called the mean

  • 2022-06-05 问题

    以下哪个不是Android手机常见的应用程序?( ) A: \data\data\com.tencent.mm B: \data\data\com.tencent.mobileqq C: \data\data\com.eg.android.AlipayGphone D: \data\data\com.tencent.xin

    以下哪个不是Android手机常见的应用程序?( ) A: \data\data\com.tencent.mm B: \data\data\com.tencent.mobileqq C: \data\data\com.eg.android.AlipayGphone D: \data\data\com.tencent.xin

  • 2022-06-19 问题

    已知有n个数据进行排序,下面能实现排序的是 A: data=[34,5,-6,12,87,29]data.sort() B: data=[34,5,-6,12,87,29]n=len(data)od=[]whileiwhilejifdata[j]>data[j+1]:t=data[j]data[j]=data[j+1]data[j+1]=tj+=1i+=1 C: data=[34,5,-6,12,87,29]n=len(data)i=0j=0whileiwhilejifdata[j]>data[j+1]:t=data[j]data[j]=data[j+1]data[j+1]=tj+=1i+=1print(data) D: data=[34,5,-6,12,87,29]n=len(data)i=0j=0whileiwhilejifdata[i]>data[j]:t=data[i]data[i]=data[j]data[j]=tj+=1i+=1

    已知有n个数据进行排序,下面能实现排序的是 A: data=[34,5,-6,12,87,29]data.sort() B: data=[34,5,-6,12,87,29]n=len(data)od=[]whileiwhilejifdata[j]>data[j+1]:t=data[j]data[j]=data[j+1]data[j+1]=tj+=1i+=1 C: data=[34,5,-6,12,87,29]n=len(data)i=0j=0whileiwhilejifdata[j]>data[j+1]:t=data[j]data[j]=data[j+1]data[j+1]=tj+=1i+=1print(data) D: data=[34,5,-6,12,87,29]n=len(data)i=0j=0whileiwhilejifdata[i]>data[j]:t=data[i]data[i]=data[j]data[j]=tj+=1i+=1

  • 2021-04-14 问题

    有如下程序 #include intchange(int*data) { *data=*data%2; return(*data)+1; } main() { intdata=12; change(&data); printf("%d,",data); data=change(&data); printf("%d,",data); } 程序运行后的输出结果是()

    有如下程序 #include intchange(int*data) { *data=*data%2; return(*data)+1; } main() { intdata=12; change(&data); printf("%d,",data); data=change(&data); printf("%d,",data); } 程序运行后的输出结果是()

  • 2022-06-03 问题

    The data collected by the statistical survey can be original data or secondary data. The relationship between the original data and secondary data is ( ) A: The original data comes from the grass-roots units, and the secondary data comes from the superior units B: Secondary data is processed from original data C: There is no necessary connection between the original data and the secondary data D: There is no difference between primary data and secondary data

    The data collected by the statistical survey can be original data or secondary data. The relationship between the original data and secondary data is ( ) A: The original data comes from the grass-roots units, and the secondary data comes from the superior units B: Secondary data is processed from original data C: There is no necessary connection between the original data and the secondary data D: There is no difference between primary data and secondary data

  • 2022-06-09 问题

    What is stored in the database is( ). A: data B: data mode C: links between data D: data and the connection between data

    What is stored in the database is( ). A: data B: data mode C: links between data D: data and the connection between data

  • 2021-04-14 问题

    有如下程序 #include int test(int *data) { return --(*data); } main() { int data = 12; test(&data); printf("%d,", data); data = test(&data); printf("%d,", data); } 程序运行后的输出结果是

    有如下程序 #include int test(int *data) { return --(*data); } main() { int data = 12; test(&data); printf("%d,", data); data = test(&data); printf("%d,", data); } 程序运行后的输出结果是

  • 2022-07-23 问题

    若要对Data类中重载的加法运算符成员函数进行声明,下列选项中不正确的是_____。 (多选题) (多选题) (多选题) A: Data +(Data); B: Data operator+(Data); C: Data +operator(Data); D: operator+(Data,Data);

    若要对Data类中重载的加法运算符成员函数进行声明,下列选项中不正确的是_____。 (多选题) (多选题) (多选题) A: Data +(Data); B: Data operator+(Data); C: Data +operator(Data); D: operator+(Data,Data);

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