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setwd("D://pymine//clean//chained_located") 
v=read.table("pure_rssi_source_extract_title.txt",sep="",header = T,na.strings = "-")
par(mfrow=c(1,2))
plot(table(v))

　　

 

 

file_pure_rssi_source = 'pure_rssi_source.txt'
file_pure_rssi_source_extract = 'pure_rssi_source_extract.txt'
fo_gen = open(file_pure_rssi_source_extract, 'w')
rssi_list = []
fo = open(file_pure_rssi_source, 'r', encoding='utf-8-sig')
for i in fo:
    d = 9
    r = i.replace('\n', '').replace(' ', '').split('\t')
    if len(r) == 0:
        continue
    for ii in r:
        if len(ii) == 0:
            continue
        rssi_list.append(ii)
        str = '%s\n' % (ii)
        fo_gen.write(str)
        print(ii)
fo_gen.closed