College entrance examination has experienced 42 years of
calendar year admission rate what Zeyang?
We first look 1977--2018 year Number of admitted and non-admitted calendar year (exam) the number of changes, this data comes from public entrance data network:
you can see a few years after the reopening in 1977, due to various reasons, the number of college entrance examination It reached a high point and then decline.
By the year 2000, the number of college entrance examination has been further improved, the number of admissions also will be increased dramatically, reaching its peak in 2008, 2009 (this time distressed that their one second), the number of participants in the college entrance examination after 2010 stabilized.
We figure below the percentage for acceptance rate of change further deepen awareness:
This can not help but see that issued heartfelt admiration for the father, the admission rate of college entrance examination has been involved in several times as much when the father participated, compared to the father at that time, "mighty force in single," the authors too the spacious single-plank bridge has to be a lot.
Part of the code as follows:
'''
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'''
setwd('D:/爬虫/高考')
data = read_excel('历年录取率.xlsx')
data_year = melt(data,id.vars = '年份',measure.vars = c('录取','未录取'),
variable.name='录取情况', value.name='人数(万)')
ggplot(data_year,aes(x=年份,y=`人数(万)`,fill=录取情况))+
geom_area(position = 'stack')+
ggtitle('历年高考人数统计(1977-2018)')+ theme_wsj()+
theme(axis.text.x = element_text(size=15),
axis.text.y = element_text(size=15),
axis.title =element_text(size=15),
plot.title = element_text(hjust=0.5,size=25,face='bold'),
panel.grid = element_blank(),
legend.position = 'top',
legend.title = element_blank(),
legend.text = element_text(size=15),
panel.background = element_blank(),
axis.line = element_blank(),
axis.ticks = element_blank()
)+xlim(1977,2018)
Speaking of which, it seems that we will think of college entrance examination is not difficult, the acceptance rate has reached about 80%, through the entrance has become commonplace, if you really think so, think too much.
Here we go further data analysis college entrance examination, to quote you lie in front of candidates for the three big mountains:
College entrance examination three "Big Mountain"
admission rate is low, too many people, difficult topics
1. schools acceptance rate
Here we compare 985,211 for the acceptance rate of all provinces in 2018:
you can see, 985 and 211 of different provinces acceptance rate has a clear gap, 985 acceptance rate 12 provinces less than 1.5%, Anhui, Henan, Jiangsu and Guizhou is less than 1.2%, as the author of Shandong candidates also could not help but express "shame."
Even the highest acceptance rate provinces, 985 and 211 admission rate of only 5.8% and 13.9%, combined with major companies now hiring requirements in the requirements 985 and 211, the entrance really did not really easy.
2. The number of college entrance examination
In addition to the schools admission rate is low, the number of college entrance examination is as much a challenge lie in front of the candidates need to cross. Similarly, we look at the number of provinces to participate in the college entrance examination in 2018:
the number of college entrance examination in Henan Province in 2018 reached 865 000, 865 000 This data also exceeded the number of nearly two-thirds of the national population in the world.
The number of college entrance examination in Guangdong, Shandong, Sichuan, three provinces have more than 50 million. Due to the large number of people to participate in the college entrance examination, entrance examination of these provinces are almost always "hand combat."
3. entrance difficult topic
A province where the difficulty of the subject of almost all the candidates recognized as the highest, that is, Jiangsu Province, including many teachers in other provinces, including Shandong Province, where small series, will tell the students do not need to focus on the subject over the years, Jiangsu, the province because of exams not so difficult.
In addition to great difficulty of the subject, the intensity and speed of Jiangsu college entrance examination reform also ranks first among the country, we put together a road map for reform of Jiangsu Province entrance over the years since 2000:
The following is a college entrance Zhenti Jiangsu Province, on their own experience difficulty:
mathematics, this physical big kill all without playing, just an essay of this "Chinese-day disabled" it seems that already slay the audience in.