diff --git a/internal/ddosml/request.go b/internal/ddosml/request.go
index 1834d47..7203f96 100644
--- a/internal/ddosml/request.go
+++ b/internal/ddosml/request.go
@@ -1,7 +1,25 @@
 package ddosml
 
+import "io"
+
+// Request struct represents http request
+// in the more "readable" format in order
+// to work with that with ML.
 type Request struct {
-	IsDDOS bool
+	IsDDOS           bool
+	Method           string
+	URL              string
+	Protocol         string
+	ProtocolMajor    int
+	ProtocolMinor    int
+	Headers          map[string]any
+	Body             io.ReadCloser
+	ContentLength    int64
+	TransferEncoding []string
+	Host             string
+	Form             map[string][]string
+	RemoteAddress    string
+	RequestURI       string
 }
 
 // data method returns slice of float64 representation of
diff --git a/internal/ml/caterogical.go b/internal/ml/caterogical.go
new file mode 100644
index 0000000..7ec2cce
--- /dev/null
+++ b/internal/ml/caterogical.go
@@ -0,0 +1,43 @@
+package ml
+
+import (
+	"runtime"
+	"sync"
+)
+
+// CategoricalToNumericConverter converts passed struct
+// to categorical []float64 format where
+// each field is one element of the returned
+// slice.
+type CategoricalToNumericConverter[T any] struct {
+	// dataSlice is a slice of other entities of the same type
+	// used to convert categorical data to numeric one
+	dataSlice []T
+
+	// convertRoutinesCount represents how many routines will be working
+	// in order to calculate given tree.
+	convertRoutinesCount int
+
+	mu sync.Mutex
+}
+
+// NewCategoricalConverter creates a new instance of the categorical converter
+func NewCategoricalConverter[T any](dataSlice []T) *CategoricalToNumericConverter[T] {
+	return &CategoricalToNumericConverter[T]{
+		dataSlice:            dataSlice,
+		convertRoutinesCount: runtime.NumCPU(), // basically there is no need have more workers than cores.
+	}
+}
+
+// Convert converts given struct fields into []float64 and returns it.
+// It converts all the fields into numeric format.
+func (c *CategoricalToNumericConverter[T]) Convert(obj T) []float64 {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	var wg sync.WaitGroup
+	for i := range c.convertRoutinesCount {
+
+	}
+
+}