
python - Why do people prefer Pandas to SQL? - Data Science Stack …
Jul 12, 2018 · One simple reason why you may see a lot more questions around Pandas data manipulation as opposed to SQL is that to use SQL, by definition, means using a database, and a lot …
Do modern R and/or Python libraries make SQL obsolete?
So is SQL inherently more efficient than R in terms of the way the data is stored, or is it just that SQL servers tend to have more built-in memory and processing power?
What are the advantages of HDF compared to alternative formats?
Apr 14, 2020 · What are the advantages of HDF compared to alternative formats? What are the main data science tasks where HDF is really suitable and useful?
Passing tuples (key, value) into parameterized SQL query in Python
Feb 10, 2020 · I built a scraper in python that creates a tuple of (key, value). I would like to pass both key and value as parameterized variables in an SQL query that updates a table in my sqlite database.
Python vs R for machine learning - Data Science Stack Exchange
Jun 12, 2014 · One observation is that Python is more used by machine learning people working with big datasets while R is more used by traditional "statisticians", e.g. those working with psychology …
Explain forward filling and backward filling (data filling)
Can I understand in this way? Let me know if any statement is wrong or not accurate. Reason of data filling: Assume I have a consecutive data (e.g., daily log data), and partial data are missing. In
python - Merging multiple data frames row-wise in PySpark - Data ...
I have 10 data frames pyspark.sql.dataframe.DataFrame, obtained from randomSplit as (td1, td2, td3, td4, td5, td6, td7, td8, td9, td10) = td.randomSplit([.1, .1, .1 ...
How to calculate the mean of a dataframe column and find the top 10%
This is the import you need, and how to get the mean for a column named "RBIs": import org.apache.spark.sql.functions._ df.select(avg($"RBIs")).show() For the standard deviation, see …
Advantages of pandas dataframe to regular relational database
Jul 3, 2017 · What are the features of pandas that make it a superior datastore compared to regular relational databases like MySQL, which are used to store data in many other fields of programming? …
IDE alternatives for R programming (RStudio, IntelliJ IDEA, Eclipse ...
In my opinion, nothing comes close to RStudio for data science, statistics and EDA. R programming might be a different story. I have tried Spyder, Jupyter and VS Code and they have not been able to …