JAVA全局变量（或称成员变量）可分两种，一种是静态变量，另一种是实例变量，即在类体中定义的变量，...
1) convert this 202312 to a date. Since at this time I am not 100% sure if data will flow in from upstream process as a string or a numeric value, I tried to convert to both numeric and character (using input and put function, respectively) 2) create two more ...
计算该日在本年中是第几天，注意闰年问题。 输入 年月日 输出 当年第几天 样例输入 2000 12 31 样...
770 interval3=intck('month', sasdate1, sasdate2,'continuous'); 771 interval4=intck('qtr', sasdate1, sasdate2,'continuous'); 772 interval5=intck('semiyear', sasdate1, sasdate2,'continuous'); 773 interval6=intck('hour', sasdate1, sasdate2,'continuous'); 774 interval7=intck('secon...
data character_functions;/* Convert the string into lower case */lowcse_ = LOWCASE('HELLO');/* Convert the string into upper case */upcase_ = UPCASE('hello');/* Reverse the string */reverse_ = REVERSE('Hello');/* Return the nth word */nth_letter_ = SCAN('Learn SAS Now',2)...
/* extract the date portion; compress hyphens to determine format */ __dtpart = compress(scan(dattim, 1, ' T:', 'm'), '-'); /* need to convert all dates to the yymmdd10 format so that further */ /* processing can proceed – if not then need to get out */ ...
data character_functions; /* Convert the string into lower case */ lowcse_ = LOWCASE('HELLO'); /* Convert the string into upper case */ upcase_ = UPCASE('hello'); /* Reverse the string */ reverse_ = REVERSE('Hello'); /* Return the nth word */ nth_letter_ = SCAN('Learn S...
1. 字符串变量的变换DATA CHARACTER_FUNCTIONS; lowcse_ = LOWCASE('HELLO'); /* Convert the string into lower case: hello */ upcase_ = UPCASE('hello'); /* Convert the string into upper case: HELLO */ reverse_ = REVERSE('Hello'); /* Reverse the string: olleH */ nth_letter_ = SC...
String: missing values come as "(missing)" and are modified to "". Date: values come as formatted strings according to their date formats. They are transformed to their corresponding SAS date numbers expressed as number of days since January 1st, 1960. ...
# convert from numeric to string by put data class; set sashelp.class (obs=5); C_age=put(Age,$8.); C_height=put(Height,$8.); C_weight=put(Weight,$8.); drop Age Height Weight; run; 接着用input实现字符串型转化为数值型