introduction to categorical data analysis agresti

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Introduction to the second chapter, "Data analysis using Python" study notes _1

Returns a Series that contains only non-empty data and index valuesRemove the missing field first: Cframe=frame[frame.a.notnull ()]Second, it calculates whether the rows are Windows based on the value of a, #np. The WHERE function is a vectorization ifelse functionOperating_system=np.where (cframe[' a '].str.contains (' windows '), ' windows ', ' no windows ')Next, the data is grouped according to the time

Data analysis using Python d1--ch02 introduction

The Basic course has not finished, it came to this, because my usual research is based on data processing. Who says the woman is inferior to the male 650) this.width=650; "src=" Http://img.baidu.com/hi/jx2/j_0011.gif "alt=" J_0011.gif "/>do your own things well done carefully, Hee 650) this.width=650; "src=" Http://img.baidu.com/hi/jx2/j_0003.gif "alt=" J_0003.gif "/>Read the introductory section, download the dat

Introduction to Boolean Type Analysis Based on JavaScript Data Types

This article introduces the analysis of Boolean types based on JavaScript data types. For more information, see Today we are talking about a Boolean type in the data type. It returns both the true and false face values. Note that the face values are case sensitive, that is, all except lower-case letters are identifiers. The following describes various

Using R and biocondufor gene chip data analysis (I): introduction to R and bioconductor

R is an open-source Statistical Computing and drawing language, which is similar to S. The syntax of R is very similar to that of other languages and has powerful functions. You can check it out here. Home is http://www.r-project.org/You can click here to download R. Here is an authoritative English tutorial. This site provides several Chinese tutorials (PDF) for packaging and downloading. You can find them by searching for more. Bioconductor is a biochip d

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