Matlab程序，为统计降尺度方法的一种，可以进行气候变化分析。(Statistical downscaling method)

对任意文本文件中出现的汉字的字形数和字种数进行频次统计。字频统计结果按照降序输出。可同时选中多个文本文件进行字频统计(The number of characters and the number of Chinese characters in any text file are counted. The statistical results in descending order of frequency output. Can also select multiple text file