๐Ÿ—๏ธ์†Œํ”„ํŠธ์›จ์–ด/โ˜•๏ธTableau

    ํƒœ๋ธ”๋กœ ๋ฌธ์ œ ์œ ํ˜• ์ •๋ฆฌ - Part3

    Q. What refers to the level of detail for a piece of data, wherever you are looking. Data Cleanliness Data granularity Data connectivity Data Load ๋”๋ณด๊ธฐ Ans. B. Data granularity Q. How will you change the Default Aggregation for a measure in Tableau? Data Cleanliness Data granularity Data connectivity Data Load ๋”๋ณด๊ธฐ Ans. B. Data granularity Q. How will you change the Default Aggregation for a measu..

    ํƒœ๋ธ”๋กœ ๋ฌธ์ œ ์œ ํ˜• ์ •๋ฆฌ - Part 2

    ํƒœ๋ธ”๋กœ ๋ฌธ์ œ ์œ ํ˜• ์ •๋ฆฌ - Part 2

    ๋”๋ณด๊ธฐ Q.Which of the following is not a Trend Line model? A. Linear Trend Line B. Exponential Trend Line C. Binomial Trend Line D. Logarithmic Trend Line ๋”๋ณด๊ธฐ answer : c ์ด์™ธ์—๋„ polynomial ๋‹ค๋ณ€์ˆ˜ํ•จ์ˆ˜๋ž‘ Power ์ œ๊ณฑ ๋“ฑ์ด ์žˆ๋‹ค. Q. The aggregation function attr() returns a * when __________________. A. There is a single value for all rows in the group. B. It is a null value. C. There are more than one value in all row..

    ํƒœ๋ธ”๋กœ ๋ฌธ์ œ ์œ ํ˜• ์ •๋ฆฌ - Part1

    ํƒœ๋ธ”๋กœ ๋ฌธ์ œ ์œ ํ˜• ์ •๋ฆฌ - Part1

    Question Type: Single Choice Which of the following is a benefit of using a Tableau Data Source (.tds)? Options: A To hold one or more worksheets, plus zero or more dashboards and stories. B To not contain the actual data but rather the information necessary to connect to the actual data as well as any modifications you've made on top of the actual data such as changing default properties, creat..

    ํƒœ๋ธ”๋กœ ์ž๊ฒฉ์ฆ ์ ‘์ˆ˜

    ํƒœ๋ธ”๋กœ ์ž๊ฒฉ์ฆ ์ ‘์ˆ˜

    1) ์‹œํ—˜ protoctor ์‚ฌ์ดํŠธ 2) ์˜์–ด๋กœ ์‹œํ—˜๋ณด๋ ค๊ณ  ํ•จ 3) ์›ํ•˜๋Š” ์‹œ๊ฐ„๋Œ€ ์„ ํƒ ๊ฐ€๋Šฅ 4) ์‹œ์Šคํ…œ ํ…Œ์ŠคํŠธ ์™„๋ฃŒ 5) 12๋งŒ์› ๊ฒฐ์ œ ์™„๋ฃŒ 6) ์‹œํ—˜์ „๊นŒ์ง€ ๋‹ฌ๋ฆฌ์ž

    [ํƒœ๋ธ”๋กœ/Tableau] ์กฐ์ธ ๊ธฐ๋Šฅ ํ™œ์šฉํ•œ ๋Œ€์‹œ๋ณด๋“œ - 12์ผ์ฐจ

    [ํƒœ๋ธ”๋กœ/Tableau] ์กฐ์ธ ๊ธฐ๋Šฅ ํ™œ์šฉํ•œ ๋Œ€์‹œ๋ณด๋“œ - 12์ผ์ฐจ

    ์•ˆ๋…•ํ•˜์„ธ์š” ๊ณต๋ถ€ํ•˜๋Š” ์›…์ด์ž…๋‹ˆ๋‹ค ์ค‘๊ธ‰ ๊ฐ•์˜์˜ 41๊ฐ• ์ค‘์—, ๋ฒŒ์จ 32๊ฐ•์ด๋„ค์š”. ์‹œ์ž‘ ํ•ด๋ณผ๊นŒ์š”? ๊ณ ๊ณ  1. ํŒŒ์ด์ฐจํŠธ - ์กฐ์ธ ๊ธฐ๋Šฅ ํ™œ์šฉํ•˜๊ธฐ ๊ฒฐ๊ณผ : HTML ์‚ฝ์ž… ๋ฏธ๋ฆฌ๋ณด๊ธฐํ•  ์ˆ˜ ์—†๋Š” ์†Œ์Šค 2. Blending ๋ฐ์ดํ„ฐ ์—ฐ๊ฒฐํ•˜๋Š” ๊ณผ์ • ์ค‘, Blending ์— ๋Œ€ํ•ด ์•Œ์•„๋ณด๋ ค ํ•ฉ๋‹ˆ๋‹ค ๋ชฉํ‘œ ๋Œ€๋น„ ๋งค์ถœ ๋‹ฌ์„ฑ์œจ์„ ๊ตฌํ•ด๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค Data Blending(๋ฐ์ดํ„ฐ ํ†ตํ•ฉ) - ๋‹จ์ˆœํžˆ ์ •๋ณด๋ฅผ ํ•จ๊ป˜ ํ‘œ์‹œํ•˜๊ณ , ํ˜ผํ•ฉ์€ ๋ฐ์ดํ„ฐ์˜ ์„ธ๋ถ€ ์ˆ˜์ค€์ด ์„œ๋กœ ๋‹ค๋ฅผ๋•Œ ๊ณต์œ ํ•˜๋Š” ๊ฒƒ Data Blending ๊ณผ Left Join ์˜ ์ฐจ์ด์  - ๋‘˜์˜ ์ฃผ๋œ ์ฐจ์ด์ ์€ ์ง‘๊ณ„๋ฅผ ์ˆ˜ํ–‰ํ•  ๋•Œ ๋ฐœ์ƒํ•˜๋Š”๋ฐ, ์กฐ์ธ์€ ๋ฐ์ดํ„ฐ๋ฅผ ๊ฒฐํ•ฉํ•œ ๋‹ค์Œ ์ง‘๊ณ„๋ฅผ ์ˆ˜ํ–‰ํ•˜์ง€๋งŒ, Blending ์€ ๋ฐ์ดํ„ฐ๋ฅผ ์ง‘๊ณ„ํ•œ ๋‹ค์Œ ๊ฒฐํ•ฉํ•˜๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค ๊ทธ๋ ‡๋‹ค๋ฉด Data Blending ์„ ์‚ฌ์šฉํ•˜๊ณ ์ž..

    ํƒœ๋ธ”๋กœ ์ž๊ฒฉ์ฆ ์‹œํ—˜ ์ค€๋น„(for Free)

    1. ์‹œํ—˜ ๋ฏธ๋ฆฌ ๋ณด๊ธฐ https://www.codeusingjava.com/tab/desk/quiz1 Tableau Desktop Specialist Certification Exam | CodeUsingJava Tableau Desktop Specialist Certification Exam www.codeusingjava.com 2. ์œ ํŠœ๋ธŒ - Tableau Desktop Specialist Exam Practice Questions - Part 1 https://www.youtube.com/watch?v=v6EokwyXvvs&ab_channel=ANJULPATHAK 3. ์œ ํŠœ๋ธŒ - Tableau Desktop Specialist Exam Practice Questions - Part 2 https:..

    [ํƒœ๋ธ”๋กœ/Tableau] ์ˆซ์ž 0๊ธฐ์ค€ ์ƒ‰์ƒ ํŽธ์ง‘ํ•˜๊ธฐ -11์ผ์ฐจ

    [ํƒœ๋ธ”๋กœ/Tableau] ์ˆซ์ž 0๊ธฐ์ค€ ์ƒ‰์ƒ ํŽธ์ง‘ํ•˜๊ธฐ -11์ผ์ฐจ

    ์•ˆ๋…•ํ•˜์„ธ์š” ๊ณต๋ถ€ํ•˜๋Š” ์›…์ด์ž…๋‹ˆ๋‹ค ์ค‘๊ธ‰ ๊ฐ•์˜์˜ 41๊ฐ• ์ค‘์—, ๋ฒŒ์จ 30๊ฐ•์ด๋„ค์š”. ๊ทธ๋Ÿผ ์‹œ์ž‘ํ•ด๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค. 1. ์ˆซ์ž 0์„ ๊ฐ€์šด๋ฐ ๊ธฐ์ค€์œผ๋กœ ์žก๊ณ , ์ƒ‰์ƒ ํŽธ์ง‘ํ•ด๋ณด๊ธฐ - ๊ฐ€์šด๋ฐ๊ฐ€ ๊ธฐ๋ณธ์ ์œผ๋กœ 0์ธ ์ผ€์ด์Šค๋“ค์„ ์•Œ์•„๋ณด๊ณ  - ์ˆ˜์ต๋ฅ  ํ”Œ๋Ÿฌ์Šค, ๋งˆ์ด๋„ˆ์Šค[+, -] ์ธ ๋ถ€๋ถ„์— ๋Œ€ํ•ด์„œ 0์„ ๊ธฐ์ค€์œผ๋กœ ์žก๊ณ  ๋‚˜ํƒ€๋‚ด๋ณด๊ธฐ - ์ด 3๊ฐœ์˜ ์‹œ๊ฐํ™” ์ž๋ฃŒ๋ฅผ ๋งŒ๋“ค ์˜ˆ์ • - ๊ฒฐ๊ณผ : ์ด 3๊ฐœ์˜ ์‹œํŠธ๋กœ ๊ตฌ์„ฑ๋˜์–ด ์žˆ์œผ๋‹ˆ, ํ•˜๋‚˜์”ฉ ๊ฐ’๋“ค ํ™•์ธํ•ด๋ณด๊ธฐ 2. Google Ads ๋ฐ์ดํ„ฐ ํ™œ์šฉํ•˜์—ฌ ๋„๋„› ์ฐจํŠธ ๋งŒ๋“ค๊ธฐ(feat.๋งค๊ฐœ๋ณ€์ˆ˜) - Google Ads ๋ฐ์ดํ„ฐ๋ฅผ Google Sheets ๋กœ ๋‹ค์šด๋กœ๋“œ - Tableau Destop์—์„œ Google Sheets ๋ฐ์ดํ„ฐ ์—ฐ๊ฒฐํ•˜๊ธฐ - ๋ฐ์ดํ„ฐ ์›๋ณธ ํ™”๋ฉด์—์„œ ๋ฐ์ดํ„ฐ ํ•ด์„๊ธฐ ์‚ฌ์šฉํ•˜์—ฌ ๋ฐ์ดํ„ฐ ์ •๋ฆฌ - [p.์ธก์ •๊ฐ’ ์„ ..

    [ํƒœ๋ธ”๋กœ/Tableau] ์ธก์ •๊ฐ’ ์—†์ด ๋ฆฌ์ŠคํŠธ ๋งŒ๋“ค๊ธฐ-11์ผ์ฐจ

    [ํƒœ๋ธ”๋กœ/Tableau] ์ธก์ •๊ฐ’ ์—†์ด ๋ฆฌ์ŠคํŠธ ๋งŒ๋“ค๊ธฐ-11์ผ์ฐจ

    ์•ˆ๋…•ํ•˜์„ธ์š” ๊ณต๋ถ€ํ•˜๋Š” ์›…์ด์ž…๋‹ˆ๋‹ค ์ค‘๊ธ‰ ๊ฐ•์˜์˜ 41๊ฐ• ์ค‘์—, ๋ฒŒ์จ 25๊ฐ•์ด๋„ค์š”. ๊ทธ๋Ÿผ ์‹œ์ž‘ํ•ด๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค. 1. ์ธก์ •๊ฐ’ ์—†์ด ๋ฆฌ์ŠคํŠธ ๋งŒ๋“ค๊ธฐ(#25) - ์„œ์šธ๊ณผ 6๋Œ€ ๊ด‘์—ญ์‹œ ๊ตฌ ๋ฆฌ์ŠคํŠธ - ์—ฌ๋Ÿฌ ์‹œํŠธ๋กœ ๋งŒ๋“ค๊ณ , ๋Œ€์‹œ๋ณด๋“œ์—์„œ ํ•ฉ์น˜๋Š” ๋ฐฉ๋ฒ•์ด๋‹ค - Abc ๋Š” ์ธก์ •๊ฐ’์ด ๋“ค์–ด๊ฐˆ ์ž๋ฆฌ์ธ๋ฐ, ์šฐ๋ฆฌ๋Š” ์‚ฌ์šฉํ•˜์ง€ ์•Š์„ ๊ฒƒ์ด๊ธฐ ๋–„๋ฌธ์— ์—†์• ์ค˜์•ผํ•œ๋‹ค - ์ค‘๋ณต ํ–‰์„ ๋„ฃ๊ณ , ๋จธ๋ฆฌ๊ธ€ ํ•ด์ œ๋ฅผ ํ•˜๋ฉด๋œ๋‹ค -ํ…Œ๋‘๋ฆฌ ์„œ์‹ [ํ–‰ ๊ตฌ๋ถ„์„  ์ตœ๋Œ€(๋งจ ๋งˆ์ง€๋ง‰), ๊ธฐ๋ณธ๊ฐ’-ํŒจ๋„, ๋จธ๋ฆฌ๊ธ€ ] 3๊ฐœ -์‹œํŠธ [์—ด ๊ตฌ๋ถ„์„ ] 1๊ฐœ -๊ฐ€๋กœ ๊ฐœ์ฒด๋ฅผ ๊ฐ€์ ธ์™€์„œ, ์˜†์œผ๋กœ ๋ถ™์—ฌ๋„ฃ๊ธฐ -๊ท ๋“ฑ๊ฐ„๊ฒฉ, ์ „์ฒด ์‚ฌ๊ฐํ˜• ํด๋ฆญํ›„, Distribute Contents Evenly ๋ˆŒ๋Ÿฌ์ฃผ๊ธฐ -๋Œ€์‹œ๋ณด๋“œ ์ œ๋ชฉ ๋„ฃ๊ธฐ ๊ฒฐ๊ณผ : 2. ํ…Œ์ด๋ธ” ๊ฐ’์ด ์—†๋Š” ๊ฒฝ์šฐ, ๊ฐ•์ œ๋กœ 0์œผ๋กœ ๋ฐ”๊ฟ”์ฃผ๊ธฐ - Null ๊ฐ’์„ 0์œผ..

    [ํƒœ๋ธ”๋กœ/Tableau] Set action / ๋‚จ์„ฑ์—ฌ์„ฑ ํ‰๊ท  ๋‚˜์ด ํŽ˜์ด์ง€ ๊ธฐ๋Šฅ ์‚ฌ์šฉํ•˜๊ธฐ -11์ผ์ฐจ

    [ํƒœ๋ธ”๋กœ/Tableau] Set action / ๋‚จ์„ฑ์—ฌ์„ฑ ํ‰๊ท  ๋‚˜์ด ํŽ˜์ด์ง€ ๊ธฐ๋Šฅ ์‚ฌ์šฉํ•˜๊ธฐ -11์ผ์ฐจ

    ์•ˆ๋…•ํ•˜์„ธ์š” ๊ณต๋ถ€ํ•˜๋Š” ์›…์ด์ž…๋‹ˆ๋‹ค ์ค‘๊ธ‰ ๊ฐ•์˜์˜ ์ ˆ๋ฐ˜์„ ๋„˜์–ด์™”๋Š”๋ฐ์š”, ๋๊นŒ์ง€ ์™„์ฃผํ•˜๋Š”๋ฐ ์˜์˜๊ฐ€ ์žˆ์ฃ . ๊ทธ๋Ÿผ ์˜ค๋Š˜๋„ ์‹œ์ž‘ํ•ด๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค. Set action ์„ ์‹œ์ž‘ํ•ด์„œ ์‹œ๊ฐํ™” ๊ทธ๋ž˜ํ”„๋ฅผ ๋งŒ๋“œ๋Š” ๊ฒƒ๋ถ€ํ„ฐ ์‹œ์ž‘ํ•ด์„œ ํฌ์ŠคํŒ…์„ ์‹œ์ž‘ํ•ด๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค. 1. ์ œ๋ชฉ ๋ฏธ์ •...> ์ž‘์—… ์„ ํƒ > ์ž‘์—… ์ถ”๊ฐ€ ์„ ํƒ > ์ง‘ํ•ฉ ๊ฐ’ ๋ณ€๊ฒฝ ์„ ํƒ Dashboard > Actions > Add Action > Change Set Values source์—์„œ ์„ ํƒ[์˜ํ–ฅ์„ ์ฃผ๋Š” ๋ถ€๋ถ„]์„ ํ•˜๋ฉด, ์˜ํ–ฅ์„ ๋ฐ›์„ ๋Œ€์ƒ ์ง‘ํ•ฉ(ํ•˜๋‹จ)[์˜ํ–ฅ์„ ๋ฐ›๋Š” ๋ถ€๋ถ„] ์„ ์„ค์ •ํ•ด์ฃผ์ž ์šฐ์ธก์˜ ์„ ํƒ ๋‚ด์šฉ์„ ์ง€์šธ ๊ฒฝ์šฐ์˜ ๊ฒฐ๊ณผ์—์„œ๋Š”, ์ง‘ํ•ฉ์—์„œ ๋ชจ๋“  ๊ฐ’ ์ œ๊ฑฐ๋กœ ๋ณ€๊ฒฝํ•ด์ฃผ๋„๋ก ํ•œ๋‹ค ๊ทธ๋ฆฌ๊ณ  ์–ด๋–ค ์‹์œผ๋กœ ํ™”๋ฉด์ด ์ „๊ฐœ๋˜๋Š”์ง€ ํ™•์ธํ•ด๋ณด์ž ๊ฒฐ๊ณผ : 2. ํ•œ๊ตญvs๊ธฐํƒ€ ์ง€์—ญ์˜ ๋‚จ๋…€ ํ‰๊ท  ์ˆ˜๋ช… ..

    [ํƒœ๋ธ”๋กœ/Tableau] ๋งค๊ฐœ๋ณ€์ˆ˜ / ๋ˆ„์ ์ฐจํŠธ/ ์ด์ค‘์ถ•/ ์ง€์—ญ๋ณ„ / Top11~20 ์ง‘ํ•ฉ ํ™œ์šฉํ•˜๊ธฐ -10์ผ์ฐจ

    [ํƒœ๋ธ”๋กœ/Tableau] ๋งค๊ฐœ๋ณ€์ˆ˜ / ๋ˆ„์ ์ฐจํŠธ/ ์ด์ค‘์ถ•/ ์ง€์—ญ๋ณ„ / Top11~20 ์ง‘ํ•ฉ ํ™œ์šฉํ•˜๊ธฐ -10์ผ์ฐจ

    ์•ˆ๋…•ํ•˜์„ธ์š” ๊ณต๋ถ€ํ•˜๋Š” ์›…์ด์ž…๋‹ˆ๋‹ค 1. ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ๋งค์ถœ ๋‹จ์œ„ ๋ณ€๊ฒฝํ•˜๊ธฐ(#13) ์ˆซ์ž์— ๋Œ€ํ•œ ๋ฒ”์œ„๋ฅผ ์„œ์‹์—์„œ ๋ณ€๊ฒฝํ•˜๋Š” ๊ฒƒ์ด ์•„๋‹ˆ๋ผ ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ๋ณ€๊ฒฝํ•˜๊ธฐ -์ ์šฉํ•˜๋Š” ๋ฐฉ๋ฒ• ๊ด€๋ จ๋œ ๊ณ„์‚ฐ์‹์„ ์ž‘์„ฑํ•ด์ฃผ์ž ๊ทธ๋ฆฌ๊ณ  ๊ฐ€์žฅ ์ค‘์š”ํ•œ ๊ฒƒ - ๋งค์ถœ ๋‹จ์œ„ ๋ณ€๊ฒฝ ๊ณ„์‚ฐ์‹์„ SUM(๋งค์ถœ)์— ๋งˆ์šฐ์Šค๋ฅผ ์˜ค๋ฒ„ํ•ด์„œ ๋“œ๋žํ•˜๊ธฐ(๊ฒน์ณ๋†“๊ธฐ) - ๊ณ„์‚ฐ์‹์„ ํ…์ŠคํŠธ ๋งˆํฌ๋กœ ๋“œ๋ž˜๊ทธ ๊ฒฐ๊ณผ : 2. ๋ˆ„์  ๋ง‰๋Œ€ ์ฐจํŠธ ์‚ฌ์šฉ(#14) - ์ด์ค‘์ถ•์„ ํ™œ์šฉํ•ด์•ผํ•จ - ๊ฐ„ํŠธ ์ฐจํŠธ ํ™œ์šฉํ•˜๊ธฐ(2๋ฒˆ์งธ ํ•ฉ๊ณ„) - ๊ฒฐ๊ณผ : 3. ์ด์ค‘ ์ถ•๊ณผ ๊ฒฐํ•ฉ๋œ ์ถ• ํ™œ์šฉํŽธ - ๊ตญ๋‚ด ์ด๋™ํ†ต์‹  3์‚ฌ ์ฃผ์‹ ๋น„๊ต - ์ธก์ •๊ฐ’์˜ ์ข…๊ฐ€๋ฅผ ์ด์šฉํ•ด ๊ฐ ์ด๋™ํ†ต์‹ ์‚ฌ์˜ ์ข…๊ฐ€๋กœ ๋ถ„๋ฅ˜ํ•˜๊ธฐ - SKT ์ข…๊ฐ€ ๊ณ„์‚ฐ๋œ ํ•„๋“œ ๋งŒ๋“ค๊ธฐ - KT ์ข…๊ฐ€ ๊ณ„์‚ฐ๋œ ํ•„๋“œ ๋งŒ๋“ค๊ธฐ - LG U+ ์ข…๊ฐ€ ๊ณ„์‚ฐ๋œ ํ•„๋“œ ๋งŒ๋“ค๊ธฐ - ์ด์ค‘์ถ•์œผ๋กœ ๊ฐ™์€ x๊ฐ’์— ๋Œ€ํ•ด..