# Row and column profiles for Simple Correspondence Analysis

Find definitions and interpretation for every statistic that is provided for row and column profiles for simple correspondence analysis.

## Row Profiles

The row profiles are the row proportions that are calculated from the counts in the contingency table. The value of each cell in the row profiles is the count of the cell divided by the sum of the counts for the entire row. The row profiles for each row sum to approximately 1 (100%). The mass of a row is the sum of all the frequencies in the row divided by the sum of all the frequencies in the contingency table.

### Interpretation

Use the row profiles to assess the proportions of each row category by column. Compare the values to assess which categories in each row account for a greater or lesser proportion of the counts.

Row Profiles A B C D E Mass Geology 0.035 0.224 0.459 0.165 0.118 0.107 Biochemistry 0.034 0.069 0.448 0.034 0.414 0.036 Chemistry 0.046 0.192 0.377 0.162 0.223 0.163 Zoology 0.025 0.125 0.342 0.292 0.217 0.151 Physics 0.088 0.193 0.412 0.079 0.228 0.143 Engineering 0.034 0.125 0.284 0.170 0.386 0.111 Microbiology 0.027 0.162 0.378 0.135 0.297 0.046 Botany 0.000 0.140 0.395 0.198 0.267 0.108 Statistics 0.069 0.172 0.379 0.138 0.241 0.036 Mathematics 0.026 0.141 0.474 0.103 0.256 0.098 Mass 0.039 0.161 0.389 0.162 0.249

## Column Profiles

The column profiles are the column proportions that are calculated from the counts in the contingency table. The value of each cell in the column profiles table is the count of the cell divided by the sum of the counts for the entire column. The column profiles for each column sum to approximately 1 (100%). The mass of a column is the sum of all the frequencies in the column divided by the sum of all the frequencies in the contingency table.

### Interpretation

Use the column profiles to assess the proportions of each column category by row. Compare the values to assess which categories in each column account for a greater or lesser proportion of the counts.

Column Profiles A B C D E Mass Geology 0.097 0.148 0.126 0.109 0.051 0.107 Biochemistry 0.032 0.016 0.042 0.008 0.061 0.036 Chemistry 0.194 0.195 0.158 0.163 0.146 0.163 Zoology 0.097 0.117 0.132 0.271 0.131 0.151 Physics 0.323 0.172 0.152 0.070 0.131 0.143 Engineering 0.097 0.086 0.081 0.116 0.172 0.111 Microbiology 0.032 0.047 0.045 0.039 0.056 0.046 Botany 0.000 0.094 0.110 0.132 0.116 0.108 Statistics 0.065 0.039 0.035 0.031 0.035 0.036 Mathematics 0.065 0.086 0.119 0.062 0.101 0.098 Mass 0.039 0.161 0.389 0.162 0.249
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