Useful tips for everyday
Do dates go in fact tables? Fact tables may include multiple dates per record. For instance, a record can have an open date, a closed…
What are indexes good for MySQL? Indexes are used to find rows with specific column values quickly. Without an index, MySQL must begin with the…
What is another name for data scientist? Data Analyst The second most known role is a data analyst. Data scientist and data analysis and somewhat…
How do I remove the time from a date in CSV? Remove Time From Date using Text to Columns Select the cells from which you…
Can you use smote on text data? But using SMOTE for text classification doesn’t usually help, because the numerical vectors that are created from text…
What is data warehouse in big data? A data warehouse stores current and historical data for the entire business and feeds BI and analytics. Data…
How do you impute missing categorical data in R? How to Impute Missing Values in R library(tidyverse) df<-tibble(id=seq(1,10), ColumnA=c(10,9,8,7,NA,NA,20,15,12,NA), ColumnB=factor(c(“A”,”B”,”A”,”A”,””,”B”,”A”,”B”,””,”A”)), ColumnC=factor(c(“”,”BB”,”CC”,”BB”,”BB”,”CC”,”AA”,”BB”,””,”AA”)), ColumnD=c(NA,20,18,22,18,17,19,NA,17,23) How do you…
What are the categories of jobs? A Job Category defines the type of work performed, as opposed to the occupation or subject matter. The three…
How are distance matrices used in data analysis? In data analysis, distance matrices are mainly used as a data format when performing hierarchical clustering and…
Why my Anaconda is not working? If you cannot launch the Anaconda Navigator desktop app, you can still launch it from the terminal or an…