[๋ฐ์ดํ„ฐ ์‹œ๊ฐํ™”] ์‹œ๊ฐํ™” ์‹ค์Šต - Bar graph

2022. 3. 2. 01:02ยท ๐Ÿ” ๋ฐ์ดํ„ฐ ๋ถ„์„/03. Data Visualizaton
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๋ฌธ์ œ

FranceMarketData.xlsx
0.01MB

From FranceMarketData.xlsx, plot a bar graph of the three categories: "Connections including Cellular M2M", "Connections excluding Cellular M2M", and Smartphone Connections.

-You can choose to plot them separately or in one plots using subplots.

 

 

ํ’€์ด

 

1. ํŒจํ‚ค์ง€ ์ž„ํฌํŠธ ๋ฐ ๋ฐ์ดํ„ฐ ๋ถˆ๋Ÿฌ์˜ค๊ธฐ

import pandas as pd
raw=pd.ExcelFile("FranceMarketData.xlsx")

# ์‹œํŠธ1๋งŒ ์ €์žฅ..!
rw=raw.parse('Sheet1', index_col=None)
rw.info()
rw

* ๋ฌธ์ œ์—์„œ ๊ทธ๋ ค์•ผํ•˜๋Š” Bar Graph์˜ ์„ธ๊ฐ€์ง€ ์นดํ…Œ๊ณ ๋ฆฌ๊ฐ€ ์–ด๋”” ์œ„์น˜์— ์žˆ๋Š”์ง€ ํ™•์ธ

๋ฐ์ดํ„ฐ ํƒ€์ž…์ด ๋ชจ๋‘ object์ธ ๊ฒƒ์„ ํ™•์ธ..!

์ˆซ์ž๋Š” numeric์œผ๋กœ ๋ณ€ํ™˜ํ•ด์ฃผ์–ด์•ผํ•จ!

 

 

2. ์ „์ฒ˜๋ฆฌ

 

~ํ•„์š”์—†๋Š” ์ปฌ๋Ÿผ[0], ์ปฌ๋Ÿผ[1] ์‚ญ์ œ!~

# column(์—ด) drop, axis=1์€ ์—ด์„ ๋งํ•จ
rw2=rw.drop([rw.columns[0], rw.columns[1]], axis=1)
rw2

 

 

~0๋ฒˆ์งธ ํ–‰์„ ์ปฌ๋Ÿผ๋ช…์œผ๋กœ ์„ค์ •ํ•˜๊ณ  ํ–‰ ์‚ญ์ œ~

# 0๋ฒˆ์งธ ํ–‰์„ ์ปฌ๋Ÿผ๋ช…์œผ๋กœ ์„ค์ •
rw3=rw2.rename(columns=rw2.iloc[0])
print(rw3)

# index=0๋ฒˆ์งธ ํ–‰์„ ์‚ญ์ œ
rw4=rw3.drop(rw3.index[0])
rw4

plotํ•ด์•ผํ•  ์นดํ…Œ๊ณ ๋ฆฌ๊ฐ€ ์ปฌ๋Ÿผ๋ช…์œผ๋กœ ์ž˜ ์œ„์น˜ํ•œ ๊ฒƒ์„ ํ™•์ธํ•  ์ˆ˜ ์žˆ์Œ.

 

 

~์ˆซ์ž๋ฅผ numeric์œผ๋กœ ๋ณ€ํ™˜~

# apply(pd.to_numeric) ์ž‘์—…์„ ํ•ด์คŒ
rw4[["Connections including Cellular M2M", "Connections excluding Cellular M2M", "Smartphone Connections"]]=rw4[["Connections including Cellular M2M", "Connections excluding Cellular M2M", "Smartphone Connections"]].apply(pd.to_numeric)

 

 

~์ „ ์‰ฝ๊ฒŒํ•˜๊ธฐ ์œ„ํ•ด์„œ..์ปฌ๋Ÿผ๋ช…์„ ๋‹ค์‹œ ๊ฐ„๋‹จํ•˜๊ฒŒ ๋ณ€๊ฒฝํ–ˆ์Šต๋‹ˆ๋‹ค~

# ์ปฌ๋Ÿผ๋ช…์„ ์žฌ์„ค์ •ํ•ด์คŒ
rw4.columns=["Operator","first","second","third"]
rw4

 

 

3. plot

# subplot์œผ๋กœ bar์ฐจํŠธ ๊ทธ๋ฆฌ๊ธฐ
fig,ax = plt.subplots(3,1,figsize=(6,12))

ax[0].bar(rw4['Operator'],rw4['first'],color = 'r')
ax[0].set_title("Connections including Cellular M2M")

ax[1].bar(rw4['Operator'],rw4['second'],color = 'b')
ax[1].set_title("Connections excluding Cellular M2M")

ax[2].bar(rw4['Operator'],rw4['third'],color = 'g')
ax[2].set_title("Smartphone Connections")

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