现已上线！2025 年 Telegram 研究 — 年度关键洞察 
Data Analytics
前往频道在 Telegram
Perfect channel to learn Data Analytics Learn SQL, Python, Alteryx, Tableau, Power BI and many more For Promotions: @coderfun @love_data
显示更多📈 Telegram 频道 Data Analytics 的分析概览
频道 Data Analytics (@sqlspecialist) 英语 语言赛道中的 是活跃参与者。目前社区聚集了 109 775 名订阅者，在 技术与应用 类别中位列第 1 114，并在 印度 地区排名第 2 321 位。
📊 受众指标与增长动态
自 невідомо 创建以来，项目保持高速增长，吸引了 109 775 名订阅者。
根据 29 六月, 2026 的最新数据，频道保持稳定运转。过去 30 天订阅人数变化为 523，过去 24 小时变化为 6，整体触达仍然可观。
- 认证状态： 未认证
- 互动率 (ER)： 平均受众互动率为 2.41%。内容发布后 24 小时内通常能获得 1.49% 的反应，占订阅者总量。
- 帖子覆盖： 每篇帖子平均可获得 2 646 次浏览，首日通常累积 1 630 次浏览。
- 互动与反馈： 受众积极参与，单帖平均反应数为 7。
- 主题关注点： 内容集中在 row, sql, analytic, analyst, visualization 等核心主题上。
📝 描述与内容策略
作者将该频道定位为表达主观观点的平台：
“Perfect channel to learn Data Analytics
Learn SQL, Python, Alteryx, Tableau, Power BI and many more
For Promotions: @coderfun @love_data”
凭借高频更新（最新数据采集于 30 六月, 2026），频道始终保持新鲜度与高覆盖。分析显示受众积极互动，使其成为 技术与应用 类别中的关键影响点。
109 775
订阅者
+624 小时
+1717 天
+52330 天
帖子存档
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Numpy, Pandas and essential material required for performing data analysis with Python
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Important Excel, Tableau, Statistics, SQL related Questions with answers
1. What are the common problems that data analysts encounter during analysis?
The common problems steps involved in any analytics project are:
Handling duplicate data
Collecting the meaningful right data at the right time
Handling data purging and storage problems
Making data secure and dealing with compliance issues
2. Explain the Type I and Type II errors in Statistics?
In Hypothesis testing, a Type I error occurs when the null hypothesis is rejected even if it is true. It is also known as a false positive.
A Type II error occurs when the null hypothesis is not rejected, even if it is false. It is also known as a false negative.
3. How do you make a dropdown list in MS Excel?
First, click on the Data tab that is present in the ribbon.
Under the Data Tools group, select Data Validation.
Then navigate to Settings > Allow > List.
Select the source you want to provide as a list array.
4. How do you subset or filter data in SQL?
To subset or filter data in SQL, we use WHERE and HAVING clauses which give us an option of including only the data matching certain conditions.
5. What is a Gantt Chart in Tableau?
A Gantt chart in Tableau depicts the progress of value over the period, i.e., it shows the duration of events. It consists of bars along with the time axis. The Gantt chart is mostly used as a project management tool where each bar is a measure of a task in the project
ENJOY LEARNING 👍👍
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Python_Data_Analytics_Data_Analysis_and_Science_Using_Pandas,_matplotlib.pdf12.05 MB
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Which of the following function remove all data in a table in SQL?
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Which query can be used to select all of the columns in the table "people_table" in SQL?
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If 2 runners finish in equal 3rd position, then what's the next runner's place based on dense_rank function in SQL?
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In SQL, Group by allows us to group data for use in which functions?
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Good to see 500+ subscribers interested in learning SQL and Python. These are very useful skills if you are aiming for data analytics domain 😄👍
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Placing a dimension on which shelf separates the marks according to the members in the dimension, and assigns a unique color to each member?
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Here are the different ways to create views in Tableau
👇👇
Drag fields from the Data pane and drop them onto the cards and shelves that are part of every Tableau worksheet.
Double-click one or more fields in the Data pane.
Select one or more fields in the Data pane and then choose a chart type from Show Me, which identifies the chart types that are appropriate for the fields you selected.
Drop a field on the Drop field here grid, to start creating a view from a tabular perspective.