## Description
> To make a library of functions that are frequently used for data anlaysis and machine learning tasks
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## List of Functions
### lib_matrix
* dot_product
* element_wise_multiplication
* matrix_product
* pad_with_zero
* print_a_matrix
* shape_changer
* transpose
* vector_addition
### lib_ml
* coefficient
* convert_and_impute
* covariance
* impute_string
* mean
* read_csv
* root_mean_square
* simple_linear_regression_prediction
* turn_string_categorical
* type_of
* unique_values
* value_counts
* variance
### lib_nn
* create_layer (Struct)
* activation_leaky_relu
* activation_relu
* activation_sigmoid
* activation_tanh