In a randomized complete block design, if there is a certain interaction effect, then we can use ( ) to eliminate the interaction.
A: Exponentiation
B: Square-Root Operation
C: Absolute value Operation
D: Logarithm Operation
A: Exponentiation
B: Square-Root Operation
C: Absolute value Operation
D: Logarithm Operation
举一反三
- According to what we learn ,which one is right? () A: on<br/>the operation time we can touch the hair B: on<br/>the operation time we can touch the operation field C: on<br/>the operation time we can touch the floor D: on<br/>the operation time we can touch the back said
- We use the robot in the operation because _________. A: it can send messages in a high speed B: even a top doctor can’t do the operation himself C: it can make the operation safer and better D: operations can be done without and doctors.
- According to different operation methods, reservoir operation can be divided into： A: conventional reservoir operation and optimal reservoir operation B: flood control operation, hydropower generation operation, comprehensive operation C: long-term operation, short-term operation, real-time operation D: single reservoir operation and multiple reservoir operation
- In a statement like “quotesdf = quotesdf.drop(['date'], axis = )”, the argument of “axis” can only be 0 or 1. “0” represents an operation of a certain column in DataFrame; “1” represents an operation of a certain row in DataFrame.
- The OR operation can be produced with