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require 'redis'
r = Redis.new
r.select(9)
r.del("myset");
r.sadd("myset",(0..999).to_a)
freq = {}
100.times {
res = r.pipelined {
1000.times {
r.srandmember("myset")
}
}
res.each{|ele|
freq[ele] = 0 if freq[ele] == nil
freq[ele] += 1
}
}
# Convert into frequency distribution
dist = {}
freq.each{|item,count|
dist[count] = 0 if dist[count] == nil
dist[count] += 1
}
min = dist.keys.min
max = dist.keys.max
(min..max).each{|x|
count = dist[x]
count = 0 if count == nil
puts "#{x} -> #{"*"*count}"
}
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